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It was discovered that Flatpak did not properly validate paths in sandbox-expose options. A malicious or compromised Flatpak app could use app-controlled symlinks to access arbitrary host files and gain code execution in the host context. This issue was addressed in Ubuntu Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-34078) It was discovered that Flatpak did not properly validate paths when removing outdated ld.so cache files. A malicious or compromised Flatpak app could use this issue to delete arbitrary files on the host. (CVE-2026-34079)

FEDORA-2026-2857104379 Packages in this update:

• rubygems-4.0.20-1.fc44

Update description:

Update rubygems to 4.0.20. Additionally, several security issues were found in resolv gem bundled in rubygems. This update resolves these issues by updating resolv to 0.7.2.

FEDORA-2026-9831a751e2 Packages in this update:

• rubygems-4.0.20-1.fc45

Update description:

Update rubygems to 4.0.20. Additionally, several security issues were found in resolv gem bundled in rubygems. This update resolves these issues by updating resolv to 0.7.2.

FEDORA-2026-c77b963cc9 Packages in this update:

• rubygems-4.0.20-1.fc46

Update description:

Automatic update for rubygems-4.0.20-1.fc46.

Changelog * Thu Sep 3 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.0.20-1 - Update to RubyGems 4.0.20 - Backport ruby upstream patch to update resolv to 0.7.2 - Resolves: CVE-2026-80212 (rhbz#2527309) - Resolves: CVE-2026-80213 (rhbz#2527311)

Weeraphat Srisutham discovered that the .NET watch BrowserRefreshServer did not properly validate cross-origin WebSocket connections. An attacker could possibly use this issue to expose sensitive information. (CVE-2026-58649) Rajesh Chada discovered that the .NET watch AspireServerService improperly exposed information through the use of certain arguments. An attacker could possibly use this issue to elevate privileges and execute arbitrary code. (CVE-2026-69806)

FEDORA-2026-8b8efbd2b8 Packages in this update:

• dovecot-2.4.5-1.fc45

Update description:

• updated to 2.4.5, many security fixes

FEDORA-2026-2e6b786570 Packages in this update:

• dovecot-2.4.5-1.fc44

Update description:

• updated to 2.4.5, many security fixes

FEDORA-2026-e8a6485109 Packages in this update:

• dovecot-2.4.5-1.fc43

Update description:

• updated to 2.4.5, many security fixes

FEDORA-EPEL-2026-d8f2957095 Packages in this update:

• GitPython-3.1.62-1.el9

Update description:

Update to 3.1.62 (close RHBZ#2529282)

• Fixes GHSA-hmq2-w58f-27jc

USN-8716-1 fixed several vulnerabilities in FFmpeg. This update provides the corresponding fix for Ubuntu 26.04 LTS. Original advisory details: It was discovered that FFmpeg incorrectly handled certain crafted media files in the VobSub subtitle demuxer. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-64830) It was discovered that FFmpeg incorrectly handled certain crafted HEVC bitstreams in the Vulkan HEVC hardware decoder. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-64831) It was discovered that FFmpeg incorrectly handled certain crafted video files in the NVDEC hardware decoder. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-64832) It was discovered that FFmpeg incorrectly handled certain crafted DTS audio streams in the S/PDIF muxer. An attacker could possibly use this issue to cause a denial of service or expose sensitive information. (CVE-2026-64833) It was discovered that FFmpeg incorrectly handled certain crafted RTP/ASF streams. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-64834) It was discovered that FFmpeg incorrectly handled certain crafted ADX audio files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-64835) It was discovered that FFmpeg incorrectly handled certain crafted AVI files in the TDSC video decoder. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-65703) It was discovered that FFmpeg incorrectly handled certain crafted ffconcat files processed via the TY demuxer. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-65704) It was discovered that FFmpeg incorrectly handled certain crafted video streams in the vf_floodfill video filter. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-65705) It was discovered that FFmpeg incorrectly handled certain crafted NV12 video frames in the vf_swaprect video filter. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-65706) It was discovered that FFmpeg incorrectly handled certain crafted hvcC NAL arrays in the HEVC parser. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-75141) It was discovered that FFmpeg incorrectly handled certain crafted MPEG system headers. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-75142) It was discovered that FFmpeg incorrectly handled certain crafted network input in the librist protocol handler. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-75143) It was discovered that FFmpeg incorrectly handled certain crafted Dirac data units in the VC2 HQ RTP packetizer. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-75144) It was discovered that FFmpeg incorrectly handled certain crafted DASH manifests. An attacker could possibly use this issue to cause a denial of service or expose sensitive information. (CVE-2026-75146)

FEDORA-2026-301e6e2983 Packages in this update:

• python-django5-5.2.17-2.fc44

Update description:

Update python-django5 to the latest 5.x release (5.2.17)

• Fixes CVE-2026-15307 [high]: Server-side file-write and request forgery via spatial lookups
• Fixes CVE-2026-15337 [low]: Potential denial-of-service vulnerability in check_for_language()
• Fixes CVE-2026-15830 [moderate]: Potential denial-of-service vulnerability via nested geometry collections
• Fixes CVE-2026-15920 [moderate]: Potential cross-site scripting via URLField values in the admin

FEDORA-2026-6b28b4e483 Packages in this update:

• python-django5-5.2.17-2.fc43

Update description:

Update python-django5 to the latest 5.x release (5.2.17)

• Fixes CVE-2026-15307 [high]: Server-side file-write and request forgery via spatial lookups
• Fixes CVE-2026-15337 [low]: Potential denial-of-service vulnerability in check_for_language()
• Fixes CVE-2026-15830 [moderate]: Potential denial-of-service vulnerability via nested geometry collections
• Fixes CVE-2026-15920 [moderate]: Potential cross-site scripting via URLField values in the admin

FEDORA-2026-950089270f Packages in this update:

• python-django5-5.2.17-2.fc45

Update description:

Update python-django5 to the latest 5.x release (5.2.17)

• Fixes CVE-2026-15307 [high]: Server-side file-write and request forgery via spatial lookups
• Fixes CVE-2026-15337 [low]: Potential denial-of-service vulnerability in check_for_language()
• Fixes CVE-2026-15830 [moderate]: Potential denial-of-service vulnerability via nested geometry collections
• Fixes CVE-2026-15920 [moderate]: Potential cross-site scripting via URLField values in the admin

Version:next-20260909 (linux-next) Released:2026-09-09

USN-8675-1 fixed vulnerabilities in Perl. This update provides the corresponding fix for Perl on Ubuntu 26.04 LTS. Original advisory details: It was discovered that Perl incorrectly handled short source addresses in the Socket module. An attacker could possibly use this issue to trigger an out-of-bounds heap read, resulting in information disclosure. (CVE-2026-12087) It was discovered that Perl incorrectly handled regular expressions containing a large number of fixed string alternatives. An attacker could possibly use this issue to cause incorrect regular expression matches, resulting in security restrictions being bypassed. (CVE-2026-13221) It was discovered that Perl incorrectly handled certain large repeat counts when processing pack and unpack templates. An attacker could possibly use this issue to trigger an out-of-bounds heap read, resulting in information disclosure. (CVE-2026-57432) It was discovered that Perl incorrectly handled certain crafted data when deserializing with the Storable module. An attacker could possibly use this issue to trigger an integer overflow and application termination, resulting in a denial of service. (CVE-2026-57433)

FEDORA-2026-ee1eb89e7b Packages in this update:

• tar-1.35-10.fc45

Update description:

Fix CVE-2026-5704, CVE-2026-18508, CVE-2026-18477, and a regression in the fix for CVE-2025-45582.

FEDORA-2026-c8b1bb0c97 Packages in this update:

• gnatcoll-26.0.0-5.fc45

Update description:

Patched the vulnerabilities GNATCOLL-CORE-0162 and GNATCOLL-CORE-0164 in a way that avoids interface changes.

FEDORA-2026-6ed52ea50e Packages in this update:

• bluez-5.87+1.git8750129efca8-1.fc43

Update description:

This update fixes a number of security issues.

FEDORA-2026-d4156b5fc5 Packages in this update:

• bluez-5.87+1.git8750129efca8-1.fc44

Update description:

This update fixes a number of security issues.