# Wireshark changelog

> The network protocol analyzer: live capture and deep inspection of hundreds of protocols.

- Vendor: Wireshark Foundation
- Category: Developer Tools
- Platforms: Desktop
- Official site: https://www.wireshark.org
- Tracked by: What's New (https://whatsnew.fyi/product/wireshark)
- Harvested from: Blog (https://gitlab.com/wireshark/wireshark/-/tags?format=atom)
- Entries below: 14 (newest first)

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

## Releases

### v4.4.19 — v4.4.19rc0

- Date: 2026-08-12
- Version: v4.4.19
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.4.19rc0
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.4.19
- Labels: Pre-release; Platforms: Desktop

Tag: v4.4.19rc0

### v4.6.9 — v4.6.9rc0

- Date: 2026-08-12
- Version: v4.6.9
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.6.9rc0
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.6.9
- Labels: Pre-release; Platforms: Desktop

Tag: v4.6.9rc0

### v4.4.18

- Date: 2026-08-12
- Version: v4.4.18
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.4.18
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.4.18
- Labels: Platforms: Desktop

Tag: v4.4.18

- **security** — Fix sharkd crash (wnpa-sec-2026-64)
- **security** — Fix sharkd crash (wnpa-sec-2026-65)
- **security** — Fix UMTS FP protocol dissector crash (wnpa-sec-2026-66)
- **security** — Fix RDP protocol dissector crash (wnpa-sec-2026-67)
- **security** — Fix dissection engine reassembly crash (wnpa-sec-2026-69)
- **security** — Fix BUSMASTER file parser abnormal exit (wnpa-sec-2026-70)
- **security** — Fix Tektronix K12xx file parser crash (wnpa-sec-2026-71)
- **security** — Fix ERF file parser crash (wnpa-sec-2026-72)
- **security** — Fix Bluetooth Attribute Protocol dissector crash (wnpa-sec-2026-73)
- **security** — Fix Catapult DCT2000 file parser crash (wnpa-sec-2026-74)
- **security** — Fix C12.22 protocol dissector crash (wnpa-sec-2026-75)
- **security** — Fix CMS protocol dissector crash (wnpa-sec-2026-76)
- **security** — Fix H.245 protocol dissector crash (wnpa-sec-2026-77)
- **security** — Fix Kerberos protocol dissector crash (wnpa-sec-2026-78)
- **security** — Fix Bluetooth HFP Profile protocol dissector crash (wnpa-sec-2026-79)
- **security** — Fix Bluetooth BR/EDR FHS protocol dissector crash (wnpa-sec-2026-80)
- **security** — Fix 3gpp phone log file parser crash (wnpa-sec-2026-81)
- **security** — Fix CMS protocol dissector crash (wnpa-sec-2026-83)
- **security** — Fix pcapng file parser crash (wnpa-sec-2026-84)
- **security** — Fix SSH protocol dissector crash (wnpa-sec-2026-85)

#### Wireshark 4.4.18 Release Notes
##### What is Wireshark?
Wireshark is the world’s most popular network protocol analyzer. It is used for troubleshooting, analysis, development and education.
Wireshark is hosted by the Wireshark Foundation, a nonprofit which promotes protocol analysis education. Wireshark and the foundation depend on your contributions in order to do their work! If you or your organization would like to contribute or become a sponsor, please visit wiresharkfoundation.org.
If you use Wireshark professionally or you just want to learn more about protocol analysis, you should join us at SharkFest, the Wireshark developer and user conference.
You can also become a Wireshark Certified Analyst! Official Wireshark training and certification are available from the Wireshark Foundation.
##### What’s New
###### Bug Fixes
The following vulnerabilities have been fixed:
- wnpa-sec-2026-64 sharkd crash. Issue 21395.
- wnpa-sec-2026-65 sharkd crash. Issue 21399.
- wnpa-sec-2026-66 UMTS FP protocol dissector crash. Issue 21413.
- wnpa-sec-2026-67 RDP protocol dissector crash. Issue 21396.
- wnpa-sec-2026-69 Dissection engine reassembly crash. Issue 21423.
- wnpa-sec-2026-70 BUSMASTER file parser abnormal exit. Issue 21435.
- wnpa-sec-2026-71 Tektronix K12xx file parser crash. Issue 21414.
- wnpa-sec-2026-72 ERF file parser crash. Issue 21415.
- wnpa-sec-2026-73 Bluetooth Attribute Protocol dissector crash. Issue 21424.
- wnpa-sec-2026-74 Catapult DCT2000 file parser crash. Issue 21427.
- wnpa-sec-2026-75 C12.22 protocol dissector crash. Issue 21439.
- wnpa-sec-2026-76 CMS protocol dissector crash. Issue 21446.
- wnpa-sec-2026-77 H.245 protocol dissector crash. Issue 21447.
- wnpa-sec-2026-78 Kerberos protocol dissector crash. Issue 21449.
- wnpa-sec-2026-79 Bluetooth HFP Profile protocol dissector crash. Issue 21451.
- wnpa-sec-2026-80 Bluetooth BR/EDR FHS protocol dissector crash. Issue 21452.
- wnpa-sec-2026-81 3gpp phone log file parser crash. Issue 21454.
- wnpa-sec-2026-83 CMS protocol dissector crash. Issue 21457, Issue 21458.
- wnpa-sec-2026-84 Pcapng file parser crash. Issue 21460.
- wnpa-sec-2026-85 SSH protocol dissector crash. Issue 21465.
- wnpa-sec-2026-86 ESS protocol dissector crash. Issue 21467.
- wnpa-sec-2026-87 X.509IF protocol dissector crash. Issue 21469. CVE-2026-xxx.
- wnpa-sec-2026-88 RRC protocol dissector crash. Issue 21478.
- wnpa-sec-2026-89 C12.22 protocol dissector crash. Issue 21480.
- wnpa-sec-2026-91 Bluetooth AVRCP Profile protocol dissector crash. Issue 21488.
The following bugs have been fixed:
- Wireshark Version 4.6.6 - File Capture Properties is excessively slow and hangs Wireshark on Windows. Issue 21337.
- Wireshark misdecodes S-NSSAI location validity information IE (5G NAS) Issue 21411.
- Wireshark misdecodes NSAG information IE (5G NAS) Issue 21412.
- Fuzz job UTF-8 encoding issue: fuzz-2026-07-17-15393056954.pcap. Issue 21419.
- Wireshark misdecodes UE security capability IE (5G NAS) Issue 21431.
- Wireshark misdecodes Registration wait range IE (5G NAS) Issue 21432.
- Wireshark misdecodes Extended CAG information IE (5G NAS) Issue 21433.
- Stack buffer overflow in K12/RF5 writer. Issue 21436.
- packet-knxip: Secure Wrapper size-offset causes NULL deref / SEGV when decrypting. Issue 21444.
- wiretap/rtpdump: swapped caplen/len on truncated samples. Issue 21445.
- Sniffer REC_HEADER2 error path over-reads stack buffer. Issue 21461.
- Deep NetLog JSON nesting exhausts the native stack. Issue 21462.
- androiddump signed btsnoop length causes global out-of-bounds read. Issue 21464.
- Wireshark misdecodes SOR transparent container IE (5G NAS) Issue 21472.
- Unbounded Daintree timestamp fraction causes signed integer overflow. Issue 21473.
- Wireshark misdecodes SOR-CMCI of SOR transparent container IE (5G NAS) Issue 21477.
- Wireshark misdecodes Service level AA container (5GSM NAS) Issue 21479.
###### New and Updated Features
###### New Protocol Support
There are no new protocols in

_[Truncated at 4000 characters — full notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.4.18]_

### v4.6.8

- Date: 2026-08-12
- Version: v4.6.8
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.6.8
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.6.8
- Labels: Platforms: Desktop

Tag: v4.6.8

- **security** — Fix sharkd crash
- **security** — Fix UMTS FP protocol dissector crash
- **security** — Fix RDP protocol dissector crash
- **security** — Fix TTX Logger file parser crash
- **security** — Fix dissection engine reassembly crash
- **security** — Fix BUSMASTER file parser abnormal exit
- **security** — Fix Tektronix K12xx file parser crash
- **security** — Fix ERF file parser crash
- **security** — Fix Bluetooth Attribute Protocol dissector crash
- **security** — Fix Catapult DCT2000 file parser crash
- **security** — Fix C12.22 protocol dissector crash
- **security** — Fix CMS protocol dissector crash
- **security** — Fix H.245 protocol dissector crash
- **security** — Fix Kerberos protocol dissector crash
- **security** — Fix Bluetooth HFP Profile protocol dissector crash
- **security** — Fix Bluetooth BR/EDR FHS protocol dissector crash
- **security** — Fix 3gpp phone log file parser crash
- **security** — Fix Ixia IxVeriWave and Vector Informatik BLF file parser crashes on Windows
- **security** — Fix Pcapng file parser crash
- **security** — Fix SSH protocol dissector crash

#### Wireshark 4.6.8 Release Notes
##### What is Wireshark?
Wireshark is the world’s most popular network protocol analyzer. It is used for troubleshooting, analysis, development and education.
Wireshark is hosted by the Wireshark Foundation, a nonprofit which promotes protocol analysis education. Wireshark and the foundation depend on your contributions in order to do their work. If you or your organization would like to contribute or become a sponsor, please visit wiresharkfoundation.org.
If you use Wireshark professionally or you just want to learn more about protocol analysis, you should join us at SharkFest, the Wireshark developer and user conference.
You can also become a Wireshark Certified Analyst! Official Wireshark training and certification are available from the Wireshark Foundation.
##### What’s New
###### Bug Fixes
The following vulnerabilities have been fixed:
- wnpa-sec-2026-64 sharkd crash. Issue 21395.
- wnpa-sec-2026-65 sharkd crash. Issue 21399.
- wnpa-sec-2026-66 UMTS FP protocol dissector crash. Issue 21413.
- wnpa-sec-2026-67 RDP protocol dissector crash. Issue 21396.
- wnpa-sec-2026-68 TTX Logger file parser crash. Issue 21389.
- wnpa-sec-2026-69 Dissection engine reassembly crash. Issue 21423.
- wnpa-sec-2026-70 BUSMASTER file parser abnormal exit. Issue 21435.
- wnpa-sec-2026-71 Tektronix K12xx file parser crash. Issue 21414.
- wnpa-sec-2026-72 ERF file parser crash. Issue 21415.
- wnpa-sec-2026-73 Bluetooth Attribute Protocol dissector crash. Issue 21424.
- wnpa-sec-2026-74 Catapult DCT2000 file parser crash. Issue 21427.
- wnpa-sec-2026-75 C12.22 protocol dissector crash. Issue 21439.
- wnpa-sec-2026-76 CMS protocol dissector crash. Issue 21446.
- wnpa-sec-2026-77 H.245 protocol dissector crash. Issue 21447.
- wnpa-sec-2026-78 Kerberos protocol dissector crash. Issue 21449.
- wnpa-sec-2026-79 Bluetooth HFP Profile protocol dissector crash. Issue 21451.
- wnpa-sec-2026-80 Bluetooth BR/EDR FHS protocol dissector crash. Issue 21452.
- wnpa-sec-2026-81 3gpp phone log file parser crash. Issue 21454.
- wnpa-sec-2026-82 Ixia IxVeriWave and Vector Informatik BLF file parser crashes on Windows. Issue 21455.
- wnpa-sec-2026-83 CMS protocol dissector crash. Issue 21457, Issue 21458.
- wnpa-sec-2026-84 Pcapng file parser crash. Issue 21460.
- wnpa-sec-2026-85 SSH protocol dissector crash. Issue 21465.
- wnpa-sec-2026-86 ESS protocol dissector crash. Issue 21467.
- wnpa-sec-2026-87 X.509IF protocol dissector crash. Issue 21469. CVE-2026-xxx.
- wnpa-sec-2026-88 RRC protocol dissector crash. Issue 21478.
- wnpa-sec-2026-89 C12.22 protocol dissector crash. Issue 21480.
- wnpa-sec-2026-90 Gammu DCT3 trace file parser crash. Issue 21475.
- wnpa-sec-2026-91 Bluetooth AVRCP Profile protocol dissector crash. Issue 21488.
The following bugs have been fixed:
- Fuzz job crash: randpkt-2026-05-22-14496207576.pcap. Issue 21266.
- Wireshark Version 4.6.6 - File Capture Properties is excessively slow and hangs Wireshark on Windows. Issue 21337.
- TCP Preference 'Analyze TCP sequence numbers' SEGFAULTs when toggled. Issue 21380.
- Wireshark misdecodes S-NSSAI location validity information IE (5G NAS) Issue 21411.
- Wireshark misdecodes NSAG information IE (5G NAS) Issue 21412.
- Fuzz job UTF-8 encoding issue: fuzz-2026-07-17-15393056954.pcap. Issue 21419.
- Wireshark misdecodes UE security capability IE (5G NAS) Issue 21431.
- Wireshark misdecodes Registration wait range IE (5G NAS) Issue 21432.
- Wireshark misdecodes Extended CAG information IE (5G NAS) Issue 21433.
- Stack buffer overflow in K12/RF5 writer. Issue 21436.
- Security issues fixed in 4.6.8 and 4.4.18 Tracker. Issue 21437.
- BLF writer out-of-bounds read on truncated VLAN-tagged Ethernet frames. Issue 21441.
- DLMS/COSEM compact-array TypeDescription recursion bypass can exhaust the stack. Issue 21442.
- packet-knxip: Secure Wrapper size-offset causes NULL deref / SEGV when decrypting. Issue 21444.
- wiretap/rtpdump: swapped caplen/len on truncated samples. Issue

_[Truncated at 4000 characters — full notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.6.8]_

### v4.7.3 — v4.7.3rc0

- Date: 2026-07-15
- Version: v4.7.3
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.7.3rc0
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.7.3
- Labels: Pre-release; Platforms: Desktop

Tag: v4.7.3rc0

### v4.7.2

- Date: 2026-07-15
- Version: v4.7.2
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.7.2
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.7.2
- Labels: Platforms: Desktop

Tag: v4.7.2

### v4.4.18 — v4.4.18rc0

- Date: 2026-07-08
- Version: v4.4.18
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.4.18rc0
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.4.18-c88b288f
- Labels: Pre-release; Platforms: Desktop

Tag: v4.4.18rc0

### v4.6.8 — v4.6.8rc0

- Date: 2026-07-08
- Version: v4.6.8
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.6.8rc0
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.6.8-4a151055
- Labels: Pre-release; Platforms: Desktop

Tag: v4.6.8rc0

### v4.4.17

- Date: 2026-07-08
- Version: v4.4.17
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.4.17
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.4.17
- Labels: Platforms: Desktop

Tag: v4.4.17

- **security** — Fixed Catapult DCT2000 protocol dissector crash
- **security** — Fixed FMP/NOTIFY protocol dissector large loop
- **security** — Fixed SSH protocol dissector crash
- **security** — Fixed IEEE 802.11 protocol dissector crash
- **security** — Fixed Z39.50 protocol dissector crash
- **security** — Fixed UMTS FP protocol dissector crash
- **security** — Fixed BLF file parser information disclosure
- **security** — Fixed multiple protocol dissector infinite loops
- **security** — Fixed DBS Etherwatch file parser crash
- **security** — Fixed Ciscodump extcap crash
- **fixed** — Fixed build failure with Qt 6.11 beta
- **fixed** — Fixed BACapp error parsing you-are request
- **fixed** — Fixed UTF-8 encoding issue in fuzzing
- **fixed** — Fixed memory leak in packet capture file
- **fixed** — Fixed heap-buffer-overflow in Wireshark Logcat Parser
- **fixed** — Fixed HEVC (H.265) dissector bit_offset advancement after sub_layer_hrd_parameters() causing false Malformed Packet
- **fixed** — Fixed heap-buffer-overflow in dfilter_compile_full with time literal
- **fixed** — Fixed Wireshark crash with HEAP_CORRUPTION error when using last saved recent_common file
- **changed** — Windows installers now ship with Qt 6.7.3 instead of Qt 6.5.3
- **changed** — Windows installers are now built with Visual Studio 2026

#### Wireshark 4.4.17 Release Notes
##### What is Wireshark?
Wireshark is the world’s most popular network protocol analyzer. It is used for troubleshooting, analysis, development and education.
Wireshark is hosted by the Wireshark Foundation, a nonprofit which promotes protocol analysis education. Wireshark and the foundation depend on your contributions in order to do their work! If you or your organization would like to contribute or become a sponsor, please visit wiresharkfoundation.org.
##### What’s New
###### Bug Fixes
The following vulnerabilities have been fixed:
- wnpa-sec-2026-52 Catapult DCT2000 protocol dissector crash. Issue 21270.
- wnpa-sec-2026-54 FMP/NOTIFY protocol dissector large loop. Issue 21347.
- wnpa-sec-2026-55 SSH protocol dissector crash. Issue 21378.
- wnpa-sec-2026-57 IEEE 802.11 protocol dissector crash. Issue 21391.
- wnpa-sec-2026-58 Z39.50 protocol dissector crash. Issue 21397.
- wnpa-sec-2026-59 UMTS FP protocol dissector crash. Issue 21398.
- wnpa-sec-2026-60 BLF file parser information disclosure. Issue 21361.
- wnpa-sec-2026-61 Multiple protocol dissector infinite loops. Issue 21275, Issue 21277, Issue 21330, Issue 21383.
- wnpa-sec-2026-62 DBS Etherwatch file parser crash. Issue 21352.
- wnpa-sec-2026-63 Ciscodump extcap crash. Issue 21375.
The following bugs have been fixed:
- Build failure with Qt 6.11 beta. Issue 20965.
- BACapp: Error parsing you-are request. Issue 21260.
- Fuzz job issue: fuzz-2026-05-24-14517548985.pcap. Issue 21272.
- Fuzz job UTF-8 encoding issue: fuzz-2026-06-07-14732586286.pcap. Issue 21331.
- Memory leak in alp-sample1.pcap. Issue 21343.
- Heap-Buffer-Overflow in Wireshark Logcat Parser. Issue 21346.
- HEVC (H.265) dissector: bit_offset not advanced after sub_layer_hrd_parameters() causes false Malformed Packet. Issue 21362.
- dfilter_compile_full: heap-buffer-overflow READ in ws_strptime on a time literal. Issue 21376.
- Wireshark crashes with a HEAP_CORRUPTION error when using the last saved recent_common file. Issue 21379.
- Fuzz job issue: fuzz-2026-06-30-15106674620.pcap. Issue 21381.
###### New and Updated Features
- The Windows installers now ship with Qt 6.7.3. They previously shipped with Qt 6.5.3.
- The Windows installers are now built with Visual Studio 2026.
###### New Protocol Support
There are no new protocols in this release.
###### Updated Protocol Support
ALC, BACapp, Catapult DCT2000, COTP, CSN.1, DNS, eDonkey, FC ELS, FMP/NOTIFY, H.265, IEEE 802.11, LLS, MEGACO, MIH, MPEG DSM-CC, RELOAD, SSH, UMTS FP, WOWW, and Z39.50
###### New and Updated Capture File Support
Android Logcat, BLF, and DBS Etherwatch
###### New and Updated File Format Decoding Support
There is no updated file format support in this release.
##### Prior Versions
Wireshark 4.4.16 included the following changes. See the release notes for details:
- vwr: Read of uninitialized memory in pntoh16. Issue 16460.
- vwr: Read of uninitialized memory in find_signature. Issue 16461.
- Fuzz job issue: fuzz-2026-05-02-14184750352.pcap. Issue 21240.
- ROHC NULL Write / Heap Corruption with uncompressed profile and large CID. Issue 21243.
- Fuzz job crash: fuzz-2026-05-18-14414274873.pcap. Issue 21261.
Wireshark 4.4.15 included the following changes. See the release notes for details:
- wnpa-sec-2026-08 Monero dissector crash. Issue 21066. CVE-2026-5409.
- wnpa-sec-2026-09 BT-DHT dissector crash. Issue 21067. CVE-2026-5408.
- wnpa-sec-2026-10 FC-SWILS dissector crash. Issue 21070. CVE-2026-5406.
- wnpa-sec-2026-11 SMB2 dissector infinite loop. Issue 21073. CVE-2026-5407.
- wnpa-sec-2026-12 ICMPv6 dissector crash. Issue 21077. CVE-2026-5299.
- wnpa-sec-2026-13 AFP dissector crash. Issue 21088. CVE-2026-5401.
- wnpa-sec-2026-15 K12 RF5 file parser crash. Issue 21094. CVE-2026-5404.
- wnpa-sec-2026-16 SBC codec crash and possible code execution. Issue 21103. CVE-2026-5403.
- wnpa-sec-2026-17 RDP dissector crash and possible code execution. Issue 21105. CVE-2026-5405.
- wnpa-sec-2026-18 AMR-NB cod

_[Truncated at 4000 characters — full notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.4.17]_

### v4.6.7

- Date: 2026-07-08
- Version: v4.6.7
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.6.7
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.6.7
- Labels: Platforms: Desktop

Tag: v4.6.7

- **security** — Fix Catapult DCT2000 protocol dissector crash
- **security** — Fix pcapng file parser crash
- **security** — Fix FMP/NOTIFY protocol dissector large loop
- **security** — Fix SSH protocol dissector crash
- **security** — Fix TLS ECH decryption crash
- **security** — Fix IEEE 802.11 protocol dissector crash
- **security** — Fix Z39.50 protocol dissector crash
- **security** — Fix UMTS FP protocol dissector crash
- **security** — Fix BLF file parser information disclosure
- **security** — Fix multiple protocol dissector infinite loops
- **security** — Fix DBS Etherwatch file parser crash
- **security** — Fix Ciscodump extcap crash
- **fixed** — Fix Wireshark appearing in German when the system language is Dutch
- **fixed** — Fix Qt capture filter combo box not enforcing minimum size or expanding size policy
- **fixed** — Fix BACapp error parsing you-are request
- **fixed** — Fix use-after-free in Ethernet POWERLINK (EPL) dissector during profile loading error path
- **fixed** — Fix sponsor slides not being properly shown
- **fixed** — Fix IPv6 ping from Debian being dissected as HiPerConTracer
- **fixed** — Fix HEVC (H.265) dissector bit_offset not advanced after sub_layer_hrd_parameters causing false malformed packet
- **changed** — Build Windows installers with Visual Studio 2026

#### Wireshark 4.6.7 Release Notes
##### What is Wireshark?
Wireshark is the world’s most popular network protocol analyzer. It is used for troubleshooting, analysis, development and education.
Wireshark is hosted by the Wireshark Foundation, a nonprofit which promotes protocol analysis education. Wireshark and the foundation depend on your contributions in order to do their work. If you or your organization would like to contribute or become a sponsor, please visit wiresharkfoundation.org.
If you use Wireshark professionally or you just want to learn more about protocol analysis, you should join us at SharkFest, the Wireshark developer and user conference.
You can also become a Wireshark Certified Analyst! Official Wireshark training and certification are available from the Wireshark Foundation.
##### What’s New
###### Bug Fixes
The following vulnerabilities have been fixed:
- wnpa-sec-2026-52 Catapult DCT2000 protocol dissector crash. Issue 21270.
- wnpa-sec-2026-53 pcapng file parser crash. Issue 21285.
- wnpa-sec-2026-54 FMP/NOTIFY protocol dissector large loop. Issue 21347.
- wnpa-sec-2026-55 SSH protocol dissector crash. Issue 21378.
- wnpa-sec-2026-56 TLS ECH decryption crash. Issue 21390.
- wnpa-sec-2026-57 IEEE 802.11 protocol dissector crash. Issue 21391.
- wnpa-sec-2026-58 Z39.50 protocol dissector crash. Issue 21397.
- wnpa-sec-2026-59 UMTS FP protocol dissector crash. Issue 21398.
- wnpa-sec-2026-60 BLF file parser information disclosure. Issue 21361.
- wnpa-sec-2026-61 Multiple protocol dissector infinite loops. Issue 21275, Issue 21277, Issue 21330, Issue 21383.
- wnpa-sec-2026-62 DBS Etherwatch file parser crash. Issue 21352.
- wnpa-sec-2026-63 Ciscodump extcap crash. Issue 21375.
The following bugs have been fixed:
- Wireshark appears in German when the system language is Dutch. Issue 20347.
- Qt: Capture filter combo box does not enforce minimum size or expanding size policy. Issue 21080.
- BACapp: Error parsing you-are request. Issue 21260.
- Use-After-Free in Ethernet POWERLINK (EPL) Dissector during profile loading error path. Issue 21267.
- Sponsor slides are not properly shown. Issue 21268.
- Buffer overlow/segfault in Catapult DCT2000 dissector via not check no_ddi_entries in header. Issue 21270.
- Fuzz job issue: fuzz-2026-05-24-14517548985.pcap. Issue 21272.
- Fuzz job UTF-8 encoding issue: fuzz-2026-06-07-14732586286.pcap. Issue 21331.
- Memory leak in alp-sample1.pcap. Issue 21343.
- Memory leak in nspi.pcap. Issue 21344.
- Heap-Buffer-Overflow in Wireshark Logcat Parser. Issue 21346.
- IPv6 Ping from Debian (among others) is dissected as "HiPerConTracer" Issue 21349.
- HEVC (H.265) dissector: bit_offset not advanced after sub_layer_hrd_parameters() causes false Malformed Packet. Issue 21362.
- dfilter_compile_full: heap-buffer-overflow READ in ws_strptime on a time literal. Issue 21376.
- Wireshark crashes with a HEAP_CORRUPTION error when using the last saved recent_common file. Issue 21379.
- Fuzz job issue: fuzz-2026-06-30-15106674620.pcap. Issue 21381.
###### New and Updated Features
- The Windows installers are now built with Visual Studio 2026.
###### New Protocol Support
There are no new protocols in this release.
###### Updated Protocol Support
ALC, BACapp, C2P, Catapult DCT2000, COTP, CSN.1, DCERPC, DCERPC MAPI, DCERPC NSPI, DNS, DVB-S2-TABLE, eDonkey, EPL, FC ELS, FMP/NOTIFY, H.265, HiPerConTracer, IEEE 802.11, LLS, MEGACO, MIH, MPEG DSM-CC, MS-WSP, RELOAD, SGP.32, SSH, STANAG 4607, UMTS FP, WOWW, and Z39.50
###### New and Updated Capture File Support
Android Logcat, BLF, DBS Etherwatch, Netlog, and pcapng
###### New and Updated File Format Decoding Support
There is no new or updated file format support in this release.
###### Plugin Development Changes
On UN*X systems (excluding macOS when running from an app bundle, as with the official installer) extcap binaries are now searched for under the libexec directory by default, e.g., /usr/libexec/wireshark/extcap instead of /usr/lib64/wiresh

_[Truncated at 4000 characters — full notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.6.7]_

### v4.7.2 — v4.7.2rc0

- Date: 2026-06-10
- Version: v4.7.2
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.7.2rc0
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.7.2-395162ce
- Labels: Pre-release; Platforms: Desktop

Tag: v4.7.2rc0

### v4.7.1

- Date: 2026-06-10
- Version: v4.7.1
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.7.1
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.7.1
- Labels: Platforms: Desktop; Machine-generated from commit messages — the vendor published no release notes

Tag: v4.7.1

- **added** — MCTP over SMBus/I2C transport binding dissector.
- **added** — NAS-5GS: Parse URSP Time window, PDU session pair ID, RSN descriptors, and implement stub IEs per TS 24.501 v19.6.2.
- **added** — Bluetooth HCI: Add core spec 6.1 - 6.3 support.
- **added** — BSSMAP LE: Dissect Connectionless Information message.
- **changed** — Qt: Remove Qt5 compatibility code and build with Qt6 only.
- **changed** — BSSMAP LE: Update to Release 19.
- **changed** — PROFINET: Update SXP dissection to PN-Spec v2.50.
- **changed** — Qt: Use monospace font for the proto tree preview widget and respect preferred UI language on Windows.
- **changed** — CESoETH and CESoPSN: Allow other PW encapsulations and carrying over alternative encapsulations.
- **fixed** — BSSMAP LE: Fix APDU IEI handling with length 32768 octets or more, NAS-5GS parser registrations, TLS early secret calculation from PSK, MS-TURN dissection, HI2Operations APN and ULI handling, IPv4 empty data packet handling, nettrace_3gpp_32_423 XML node lookup and timestamp setting, eDonkey dissector offset handling, and various other bugs in packet-woww.c, capture_sync, dumpcap, and proto API usage.
- **removed** — Qt5 support and various unused Qt source files.
- **deprecated** — SpeexDSP is now optional for Wireshark and Stratoshark builds.

### v4.7.1 — v4.7.1rc0

- Date: 2026-06-03
- Version: v4.7.1
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.7.1rc0
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.7.1-9e45b8fc
- Labels: Pre-release; Platforms: Desktop

Tag: v4.7.1rc0

### v4.7.0

- Date: 2026-06-03
- Version: v4.7.0
- Original notes: https://gitlab.com/wireshark/wireshark/-/tags/v4.7.0
- Permalink: https://whatsnew.fyi/product/wireshark/releases/v4.7.0
- Labels: Platforms: Desktop

Tag: v4.7.0