Wireshark v4.4.17

v4.4.17Desktop

Tag: v4.4.17

Changed 2
  • Windows installers now ship with Qt 6.7.3 instead of Qt 6.5.3
  • Windows installers are now built with Visual Studio 2026
Fixed 8
  • Fixed build failure with Qt 6.11 beta
  • Fixed BACapp error parsing you-are request
  • Fixed UTF-8 encoding issue in fuzzing
  • Fixed memory leak in packet capture file
  • Fixed heap-buffer-overflow in Wireshark Logcat Parser
  • Fixed HEVC (H.265) dissector bit_offset advancement after sub_layer_hrd_parameters() causing false Malformed Packet
  • Fixed heap-buffer-overflow in dfilter_compile_full with time literal
  • Fixed Wireshark crash with HEAP_CORRUPTION error when using last saved recent_common file
Security 10
  • Fixed Catapult DCT2000 protocol dissector crash
  • Fixed FMP/NOTIFY protocol dissector large loop
  • Fixed SSH protocol dissector crash
  • Fixed IEEE 802.11 protocol dissector crash
  • Fixed Z39.50 protocol dissector crash
  • Fixed UMTS FP protocol dissector crash

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 codec crash. Issue 21111. CVE-2026-5654.
  • wnpa-sec-2026-20 iLBC audio codec crash. Issue 21113. CVE-2026-5657.
  • wnpa-sec-2026-21 Profile import crash and possible code execution. Issue 21115. CVE-2026-5656.
  • wnpa-sec-2026-22 DCP-ETSI protocol dissector crash. Issue 21122. CVE-2026-5653.
  • wnpa-sec-2026-23 BEEP protocol dissector crash. Issue 21120. CVE-2026-6538.
  • wnpa-sec-2026-24 ZigBee protocol dissector crash. Issue 21125. CVE-2026-6537.
  • wnpa-sec-2026-26 Dissection engine zlib decompression crash. Issue 21097, Issue 21098. CVE-2026-6535.
  • wnpa-sec-2026-27 USB HID protocol dissector infinite loop. Issue 21121. CVE-2026-6534.
  • wnpa-sec-2026-28 Dissection engine LZ77 decompression crash. Issue 21127. CVE-2026-6533.
  • wnpa-sec-2026-29 Kismet protocol dissector crash. Issue 21129, Issue 21128. CVE-2026-6532.
  • wnpa-sec-2026-30 SANE protocol dissector infinite loop. Issue 21139. CVE-2026-6531.
  • wnpa-sec-2026-31 DCP-ETSI protocol dissector crash. Issue 21144. CVE-2026-6530.
  • wnpa-sec-2026-32 iLBC audio codec crash. Issue 21145. CVE-2026-6529.
  • wnpa-sec-2026-34 ASN.1 PER protocol dissector crash. Issue 21149. CVE-2026-6527.
  • wnpa-sec-2026-37 MySQL protocol dissector crash. Issue 21172. CVE-2026-6524.
  • wnpa-sec-2026-38 GNW protocol dissector infinite loop. Issue 21177. CVE-2026-6523.
  • wnpa-sec-2026-39 OpenFlow v5 protocol dissector infinite loops. Issue 21182, Issue 21188. CVE-2026-6521.
  • wnpa-sec-2026-40 OpenFlow v6 protocol dissector infinite loop. Issue 21181. CVE-2026-6520.
  • wnpa-sec-2026-41 MBIM dissector infinite loop. Issue 21184. CVE-2026-6519.
  • wnpa-sec-2026-42 RPKI-Router protocol dissector infinite loop. Issue 21186. CVE-2026-6522.
  • wnpa-sec-2026-43 GSM RP protocol dissector crash. Issue 21189. CVE-2026-6870.
  • wnpa-sec-2026-44 WebSocket protocol dissector crash. Issue 21190. CVE-2026-6869.
  • wnpa-sec-2026-45 SMB2 protocol dissector crash. Issue 21191.
  • wnpa-sec-2026-46 HTTP protocol dissector crash. Issue 21185. CVE-2026-6868.
  • wnpa-sec-2026-47 Sharkd utility memory leak. Issue 21214.
  • wnpa-sec-2026-48 Sharkd utility crash. Issue 21206.
  • wnpa-sec-2026-49 Sharkd utility crash. Issue 21207.
  • wnpa-sec-2026-50 UDS protocol dissector infinite loop. Issue 21225.
  • Over large memory usage when uncompressing high compression ratio http payload. Issue 13779.
  • WSUG: Enabled Protocols dialog needs an update. Issue 20871.
  • SMB2 decryption keys in smb2_seskey_list are not loaded on restart. Issue 21036.
  • Fuzz job issue: fuzz-2026-03-01-13307044520.pcap. Issue 21049.
  • Window with a message for ssh_strict_fopen. Issue 21051.
  • Fuzz job crash: fuzz-2026-03-25-13637733472.pcap. Issue 21117.
  • dumpcap TCP@ section-header parsing remote heap corruption. Issue 21132.
  • On Windows, the Follow Stream feature output is shown in proportional font after zooming. Issue 21137.
  • RTP Streams dialog Time of Day inconsistent behavior. Issue 21138.
  • RF4CE NWK Dissector Heap Buffer Overflow (crash/OOB) Issue 21150.
  • NetXray/Sniffer Padding Integer Underflow. Issue 21152.
  • HTTP/2 ALTSVC/PRIORITY_UPDATE Frame Length Truncation (24-bit to 16-bit) Issue 21155.
  • Snort config parser 2 buffer overflows. Issue 21165.
  • ESP NULL Encryption Integer Underflow triggers Heap Overflow. Issue 21166.
  • Heap buffer overflow in ISO 8583 dissector bin2hex() Issue 21171.
  • wslua: NULL pointer dereference in get_dissector when passing an invalid GUID string to an FT_GUID table. Issue 21194.
  • Fuzz job UTF-8 encoding issue: fuzz-2026-04-16-13947406035.pcap. Issue 21199.
  • Qt: Waterfall bars misisng in conversation overview when "limit to display filter" is active. Issue 21204.
  • text2pcap: heap-buffer-overflow in memmove when -P"dissector" payload exceeds reserved space. Issue 21208.
  • text2pcap : Stack overflow via unbounded "g_alloca" in regex "seqno" Issue 21209.
  • editcap: --novlan integer underflow in sll_remove_vlan_info causes denial of service on short SLL captures. Issue 21210.
  • NAS-5GS - Mapping issue between IEI 0x7B and "S-NSSAI location validity information" IE. Issue 21218.
  • RTP-MIDI dissector reports incorrect value for MTC Quarter Frame data. Issue 21231. Wireshark 4.4.14 included the following changes. See the release notes for details:
  • wnpa-sec-2026-05 USB HID dissector memory exhaustion. Issue 20972. CVE-2026-3201.
  • wnpa-sec-2026-07 RF4CE Profile dissector crash. Issue 21009. CVE-2026-3203.
  • Bug in decoding 5G NAS message - Extended CAG information list IE. Issue 20946.
  • PQC signature algorithm not reported in signature_algorithms. Issue 20953.
  • Unexpected JA4 ALPN values when space characters sent. Issue 20966.
  • Expert Info seems to have quadratic performance (gets slower and slower) Issue 20970.
  • USB-HID: Resource exhaustion in parse_report_descriptor() due to missing array size limit. Issue 20972.
  • Fuzz job crash: fuzz-2026-02-01-12944805400.pcap [Zigbee Direct Tunneling Zigbee NWK PDUs NULL hash table] Issue 20977.
  • RDM status in Output Status (GoodOutputB) field incorrectly decoded in Art-Net PollReply dissector. Issue 20980.
  • TDS dissector desynchronizes on RPC DATENTYPE (0x28) due to incorrect expectation of TYPE_VARLEN (MaxLen) Issue 21001.
  • Only first HTTP POST is parsed inside SOCKS with "Decode As" Issue 21006.
  • Fuzz job crash: fuzz-2026-02-06-13021968622.pcap. Issue 21009.
  • New Diameter RAT-Types in TS 29.212 not decoded. Issue 21012. Wireshark 4.4.13 included the following changes. See the release notes for details:
  • wnpa-sec-2026-01 BLF file parser crash. Issue 20880.
  • wnpa-sec-2026-02 IEEE 802.11 dissector crash. Issue 20939.
  • wnpa-sec-2026-03 SOME/IP-SD dissector crash. Issue 20945. Wireshark 4.4.12 included the following changes. See the release notes for details:
  • wnpa-sec-2025-07 HTTP3 dissector crash. Issue 20860. CVE-2025-13945.
  • wnpa-sec-2025-08 MEGACO dissector infinite loop. Issue 20884. CVE-2025-13945.
  • ws_base32_decode should be named *_encode ? Issue 20754.
  • Stack buffer overflow in wiretap/ber.c (ber_open) Issue 20878.
  • Fuzz job crash: fuzz-2025-11-30-12266121180.pcap. Issue 20883.
  • Missing data in pinfo→cinfo in HomePlug message CM_ATTEN_CHAR.IND. Issue 20893. Wireshark 4.4.11 included the following changes. See the release notes for details:
  • wnpa-sec-2025-06 Kafka dissector crash. Issue 20823.
  • L2CAP dissector doesn’t understand retransmission mode. Issue 2241.
  • DNS HIP dissector labels PK algorithm as HIT length. Issue 20768.
  • TLS Abbreviated Handshake Using New Session Ticket. Issue 20802.
  • Apply As Filter for field with FT_NONE and BASE_NONE for a single byte does not use the hex value. Issue 20818.
  • TCP dissector creates invalid packet diagram. Issue 20820.
  • Support UTF-16 strings in the IsoBus dissector for the string operations. Issue 20845.
  • Fuzz job issue: fuzz-2025-11-12-12064814316.pcap. Issue 20852. Wireshark 4.4.10 included the following changes. See the release notes for details:
  • Using wslog parameters in command line applications leads to freeing invalid memory. Issue 20500.
  • On macOS a lower resolution Wireshark icon is displayed in the App Switcher and Launchpad. sbug20544.
  • Fuzz job crash: fuzz-2025-08-06-10932469456.pcap. Issue 20666.
  • Encoding on NAS5GS- NASDL Transport Message-Multiple Container contains inconsistencies. wsbuglink:20679].
  • Bad resolver in Delegated Credential (RFC 9345) of TLS 1.3 CertificateRequest message. wsbuglink:20728].
  • Fuzz job UTF-8 encoding issue: fuzz-2025-10-03-11586692659.pcap. Issue 20744. Wireshark 4.4.9 included the following changes. See the release notes for details:
  • RDM Product Detail List ID Disect incorrect. Issue 20612.
  • SCCP LUDT segmentation decoding fails. Issue 20647.
  • Ciscodump fails to start capture on Cisco IOS. Issue 20655.
  • [BACnet] WritePropertyMultiple closing context tag 1 not showing. Issue 20665.
  • Bug in LZ77 decoder; reads a 16-bit length when it should read a 32-bit length. Issue 20671. Wireshark 4.4.8 included the following changes. See the release notes for details: …
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