Fedora Security Advisories

FEDORA-EPEL-2026-4a26bbd7c2 Packages in this update:

• nix-2.24.15-2.el10_3

Update description:

backport fix for nix-daemon critical GHSA-g3g9-5vj6-r3gj (CVE-2026-39860)

• https://github.com/NixOS/nix/security/advisories/GHSA-g3g9-5vj6-r3gj

FEDORA-2026-95233f8a79 Packages in this update:

• python-cryptography-46.0.7-1.fc43

Update description: Changelog * Wed Apr 8 2026 Jeremy Cline <jeremycline@microsoft.com> - 46.0.7-1 - Update to 46.0.7 - SECURITY ISSUE: Fixed an issue where non-contiguous buffers could be passed to APIs that accept Python buffers, which could lead to buffer overflow. CVE-2026-39892

FEDORA-2026-aa318887d6 Packages in this update:

• python-cryptography-46.0.7-1.fc44

Update description: Changelog * Wed Apr 8 2026 Jeremy Cline <jeremycline@microsoft.com> - 46.0.7-1 - Update to 46.0.7 - SECURITY ISSUE: Fixed an issue where non-contiguous buffers could be passed to APIs that accept Python buffers, which could lead to buffer overflow. CVE-2026-39892

FEDORA-2026-42d4c822e4 Packages in this update:

• python-tomli-2.4.1-1.fc44

Update description:

Update to 2.4.1. Limit number of parts of a TOML key to address quadratic time complexity

FEDORA-2026-066dcb4c72 Packages in this update:

• mingw-LibRaw-0.21.5-2.fc43

Update description:

Backport fixes for CVE-2026-20889 CVE-2026-21413 CVE-2026-24450 CVE-2026-24660

Update to libraw-0.21.5.

FEDORA-2026-2114a370b6 Packages in this update:

• mingw-LibRaw-0.21.5-2.fc42

Update description:

Backport fixes for CVE-2026-20889 CVE-2026-21413 CVE-2026-24450 CVE-2026-24660

Update to libraw-0.21.5.

FEDORA-2026-502486fc61 Packages in this update:

• usd-26.03-3.fc44

Update description:

Backport several OpenEXRCore security fixes

• Fixes CVE-2026-34378 / GHSA-v76p-4qvv-vh4g; closes RHBZ#2455493
• Fixes CVE-2026-34380 / GHSA-q3v8-hw4m-59w5; closes RHBZ#2455534
• Fixes CVE-2026-34588 / GHSA-588r-cr5c-w6hf; closes RHBZ#2455505
• Fixes CVE-2026-34589 / GHSA-p8xc-w3q4-h64x; closes RHBZ#2455501
• Fixes CVE-2026-34379 / GHSA-w88v-vqhq-5p24; closes RHBZ#2455497

Backport fix for CVE-2026-34544 in OpenEXRCore

FEDORA-2026-c0f8cde7ad Packages in this update:

• usd-26.03-3.fc45

Update description:

Automatic update for usd-26.03-3.fc45.

Changelog * Wed Apr 8 2026 Benjamin A. Beasley <code@musicinmybrain.net> - 26.03-3 - Backport several OpenEXRCore security fixes - Fixes CVE-2026-34378 / GHSA-v76p-4qvv-vh4g; closes RHBZ#2455493 - Fixes CVE-2026-34380 / GHSA-q3v8-hw4m-59w5; closes RHBZ#2455534 - Fixes CVE-2026-34588 / GHSA-588r-cr5c-w6hf; closes RHBZ#2455505 - Fixes CVE-2026-34589 / GHSA-p8xc-w3q4-h64x; closes RHBZ#2455501 - Fixes CVE-2026-34379 / GHSA-w88v-vqhq-5p24; closes RHBZ#2455497

FEDORA-2026-be26d4c1b2 Packages in this update:

• flatpak-1.16.4-1.fc42

Update description:

Update to 1.16.4

Fixes for CVE-2026-34078, CVE-2026-34079, GHSA-2fxp-43j9-pwvc and GHSA-89xm-3m96-w3jg

FEDORA-2026-06b66012cd Packages in this update:

• flatpak-1.16.4-1.fc43

Update description:

Update to 1.16.4

Fixes for CVE-2026-34078, CVE-2026-34079, GHSA-2fxp-43j9-pwvc and GHSA-89xm-3m96-w3jg

FEDORA-2026-17f6840cea Packages in this update:

• flatpak-1.17.4-1.fc44

Update description:

Update to 1.17.4

Fixes for CVE-2026-34078, CVE-2026-34079, GHSA-2fxp-43j9-pwvc and GHSA-89xm-3m96-w3jg

FEDORA-EPEL-2026-2a86e9354d Packages in this update:

• prometheus-3.11.1-1.el10_3

Update description:

Update to 3.11.1

Update to 3.11.0

FEDORA-2026-02fa328deb Packages in this update:

• nix-2.31.4-1.fc42

Update description:

• update to 2.31.4
• fixes nix-daemon critical GHSA-g3g9-5vj6-r3gj (CVE-2026-39860)
• https://github.com/NixOS/nix/security/advisories/GHSA-g3g9-5vj6-r3gj

FEDORA-2026-6c1a1c78c1 Packages in this update:

• nix-2.31.4-1.fc43

Update description:

• update to 2.31.4
• fixes nix-daemon critical GHSA-g3g9-5vj6-r3gj (CVE-2026-39860):
• https://github.com/NixOS/nix/security/advisories/GHSA-g3g9-5vj6-r3gj

FEDORA-2026-db2b4e5b64 Packages in this update:

• thunderbird-149.0.1-2.fc42

Update description:

Update to latest upstream version.

FEDORA-2026-8463c31b61 Packages in this update:

• thunderbird-149.0.1-3.fc43

Update description:

Update to latest upstream version.

FEDORA-2026-1902c187b6 Packages in this update:

• thunderbird-149.0.1-2.fc44

Update description:

Update to latest upstream version.

FEDORA-2026-8c7366e046 Packages in this update:

• nix-2.34.5-1.fc44

Update description:

• update to 2.34
• https://nix.dev/manual/nix/2.34/release-notes/rl-2.33.html
• https://nix.dev/manual/nix/2.34/release-notes/rl-2.34.html
• includes fix for nix-daemon critical GHSA-g3g9-5vj6-r3gj (CVE-2026-39860)

FEDORA-2026-49fd0d9636 Packages in this update:

• moby-engine-29.4.0-1.fc42

Update description:

• Update to release v29.4.0
• Resolves: rhbz#2455894
• Resolves CVE-2026-34986: rhbz#2455665
• Upstream new features and fixes

FEDORA-2026-a5015b57b9 Packages in this update:

• moby-engine-29.4.0-1.fc43

Update description:

• Update to release v29.4.0
• Resolves: rhbz#2455894
• Resolves CVE-2026-34986: rhbz#2455665
• Upstream new features and fixes