# Pale Moon 34.3.1_Release — Pale Moon 34.3.1

- Product: Pale Moon (https://whatsnew.fyi/product/pale-moon)
- Vendor: Moonchild Productions
- Date: 2026-06-23
- Version: 34.3.1_Release
- Original notes: https://repo.palemoon.org/MoonchildProductions/Pale-Moon/releases/tag/34.3.1_Release
- Permalink: https://whatsnew.fyi/product/pale-moon/releases/34.3.1-release
- Labels: Platforms: Windows, Linux

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'.

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- **changed** — Pale Moon will now exclude local resources from <base> CSP checks, aligning it with the rest of CSP handling
- **fixed** — Fixed an issue where the devtools JSON viewer would, in some cases, make erroneous requests to remote servers
- **changed** — Updated libpng to 1.6.58+apng
- **changed** — Updated NSS to 3.90.12 (UXP)
- **fixed** — Fixed several intermittent and rare crashes
- **security** — Addressed CVE-2026-12318 (CWE-125), CVE-2026-12322, CVE-2026-12292 (DiD), and multiple other security issues

This a security and bugfix release.

**Changes/fixes:**

- Pale Moon will now exclude local resources from <base> CSP checks, aligning it with the rest of CSP handling.
- Fixed an issue where the devtools JSON viewer would, in some cases, make erroneous requests to remote servers.
- Updated libpng to 1.6.58+apng.
- Updated NSS to 3.90.12 (UXP), addressing multiple security issues.
- Fixed several intermittent and rare crashes.
- Security issues addressed: CVE-2026-12318 (CWE-125), CVE-2026-12322, CVE-2026-12292 (DiD), and multiple other issues that did not have a CVE designation at the time of patching.