RHEL 9 : thunderbird (RHSA-2026:49921)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:49921 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the DOM:...

ALSA-2026:49921 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component CVE-2026-15718 firefox: thunderbird: Mitigation...

firefox: thunderbird: Information disclosure in the Graphics: ImageLib component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure in the Graphics: ImageLib component...

OPENSUSE-SU-2026:11359-1 MozillaThunderbird-140.13.0-1.1 on GA media

These are all security issues fixed in the MozillaThunderbird-140.13.0-1.1 package on the GA media of openSUSE Tumbleweed...

[slackware-security] mozilla-thunderbird

New mozilla-thunderbird packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/mozilla-thunderbird-140.13.0esr-i686-1slack15.0.txz: Upgraded. This release contains security fixes and improvements. For...

Slackware Linux 15.0 / current mozilla-thunderbird Multiple Vulnerabilities (SSA:2026-204-01)

The version of mozilla-thunderbird installed on the remote host is prior to 140.13.0esr. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2026-204-01 advisory. New mozilla-thunderbird packages are available for Slackware 15.0 and -current to fix security issues...

SUSE SLED15: MozillaThunderbird / MozillaThunderbird-translations-common / etc (SUSE-SU-2026:2852-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2852-1 advisory. This update for MozillaThunderbird fixes the following issues Update to Firefox 140.12.0 ESR MFSA 2026-58,...

OPENSUSE-SU-2026:11164-1 MozillaThunderbird-140.12.1-1.1 on GA media

These are all security issues fixed in the MozillaThunderbird-140.12.1-1.1 package on the GA media of openSUSE Tumbleweed...

openSUSE 16: MozillaThunderbird / MozillaThunderbird-openpgp-librnp / etc (openSUSE-SU-2026:21168-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21168-1 advisory. Changes in MozillaThunderbird: - Mozilla Thunderbird 140.12.0 ESR MFSA 2026-61 bsc1268071 CVE-2026-12289 bmo2023443 Privilege escalation in the...

Multiple Mozilla products have buffer overflow vulnerabilities (CNVD-2026-26886)

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...

Multiple Mozilla products have buffer overflow vulnerabilities (CNVD-2026-26884)

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...

Multiple Mozilla products have buffer overflow vulnerabilities (CNVD-2026-26885)

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...

Multiple Mozilla product logic processing errors (CNVD-2026-26387)

Mozilla Firefox is an open-source web browser. Mozilla Firefox ESR is a extended support version of Firefox the web browser. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla Application Suite. Several Mozilla products have vulnerabilities related to...

Security update for MozillaThunderbird (critical)

openSUSE security update: security update for mozillathunderbird ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21168-1 Rating: critical References: bsc1158957 bsc1263110 bsc1264378 bsc1265212 bsc1268071 Cross-References: CVE-2026-12289...

Multiple Mozilla product logic processing errors (CNVD-2026-26878)

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...

Multiple Mozilla products have vulnerabilities related to incorrect processing logic.

Mozilla Firefox is an open-source web browser. Mozilla Firefox ESR is a extended support version of Firefox the web browser. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla Application Suite. Several Mozilla products have vulnerabilities related to...

Multiple Mozilla product logic processing errors (CNVD-2026-26881)

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Mozilla Firefox ESR is an extended support version of Firefox the web browser developed by the Mozilla Foundation. Mozilla Thunderbird is an email client software independently developed from t...

OPENSUSE-SU-2026:21168-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: Changes in MozillaThunderbird: - Mozilla Thunderbird 140.12.0 ESR MFSA 2026-61 bsc1268071 CVE-2026-12289 bmo2023443 Privilege escalation in the Graphics: WebRender component CVE-2026-12290 bmo2024852 Memory safety bug fixed in...

ROS-20260626-73-0010

The vulnerability of Mozilla Firefox, Firefox ESR, and the email client Thunderbird relates to reading data beyond the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

Astra Linux – Vulnerability in Firefox, Thunderbird

Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...