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ALSA-2026:19153 — Important: thunderbird security update

Affected: AlmaLinux:10: thunderbird

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

* firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1 (CVE-2026-7323) * firefox: thunderbird: Information disclosure due to incorrect boundary conditions in the Audio/Video component (CVE-2026-7320) * firefox: thunderbird: Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 (CVE-2026-7322) * firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component (CVE-2026-7321)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2026-07461

certfr-2026-avi-0507 — De multiples vulnérabilités ont été découvertes dans les produits Mozilla. Certaines d'entre elles permettent à un atta…

certfr-2026-avi-0507

EUVD-2026-337155

fkie_cve-2026-7323

Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.

GHSA-9wpv-xc33-5cm6

Memory safety bugs present in Firefox ESR 140.10.0, Thunderbird ESR 140.10.0, Firefox 150.0.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.1 and Firefox ESR 140.10.1.

OESA-2026-2132 — firefox security update

Affected: openEuler:24.03-LTS: firefox

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global moz_debug_prefix /lib/debug %global moz_debug_dir /lib/debug/ %global uname_m %(uname -m) %global symbols_file_name -.en-US.-%(uname.crashreporter-symbols.zip %global symbols_file_path /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip %global _find_debuginfo_opts -p /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip -o debugcrashreporter.list %global crashreporter_pkg_name mozilla-crashreporter--debuginfo Security Fix(es):

Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.(CVE-2026-7320)

Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.(CVE-2026-7321)

Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0.…

openSUSE-SU-2026:10661-1 — firefox-esr-140.10.1-1.1 on GA media

firefox-esr-140.10.1-1.1 on GA media

RHSA-2026:19157 — Red Hat Security Advisory: firefox security update

firefox: thunderbird: Information disclosure due to incorrect boundary conditions in the Audio/Video component firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component firefox: thunderbird: Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1 firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Playback component

RLSA-2026:19153 — Important: thunderbird security update

Affected: Rocky Linux:10: thunderbird

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

* firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1 (CVE-2026-7323)

* firefox: thunderbird: Information disclosure due to incorrect boundary conditions in the Audio/Video component (CVE-2026-7320)

* firefox: thunderbird: Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 (CVE-2026-7322)

* firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component (CVE-2026-7321)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

SUSE-SU-2026:1830-1 — Security update for MozillaFirefox

Security update for MozillaFirefox

UBUNTU-CVE-2026-7323

Affected: Ubuntu:18.04:LTS: mozjs52, Ubuntu:18.04:LTS: mozjs38, Ubuntu:20.04:LTS: mozjs68, Ubuntu:20.04:LTS: mozjs52, Ubuntu:22.04:LTS: mozjs102, Ubuntu:22.04:LTS: mozjs78, Ubuntu:22.04:LTS: mozjs91, Ubuntu:22.04:LTS: thunderbird, Ubuntu:24.04:LTS: mozjs102, Ubuntu:24.04:LTS: mozjs115

WID-SEC-W-2026-1296 — Mozilla Firefox und Firefox ESR: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Mozilla Firefox und Mozilla Firefox ESR ausnutzen, um potenziell beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen oder andere, nicht näher spezifizierte Angriffe durchzuführen.