Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and w...

RHEL 9 : thunderbird (RHSA-2026:13533)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:13533 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: libpng: libpng: Arbitrary code execution due to use-after-fr...

RHEL 9 : thunderbird (RHSA-2026:12264)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:12264 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: libpng: libpng: Arbitrary code execution due to use-after-fr...

Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-057 (ALASFIREFOX-2026-057)

The version of firefox installed on the remote host is prior to 140.9.1-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2FIREFOX-2026-057 advisory. Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1...

Security Vulnerabilities fixed in Thunderbird 150.0.1 — Mozilla

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

RHEL 10 : thunderbird (RHSA-2026:11813)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:11813 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: libpng: libpng: Arbitrary code execution due to...

RHEL 8 : firefox (RHSA-2026:11805)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:11805 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: libpng:...

thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of...

thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and w...

FreeBSD : Mozilla -- Memory safety bugs (6f1af47d-430a-11f1-a627-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 6f1af47d-430a-11f1-a627-b42e991fc52e advisory. https://bugzilla.mozilla.org/buglist.cgi?bugid=2010727%2C2019004%2C2019224%2C2019547%2C2020378%2C202238...

Linux Distros Unpatched Vulnerability : CVE-2026-7323

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2026-7322

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

FreeBSD : firefox -- Memory safety bugs (5a44e168-4394-11f1-a190-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 5a44e168-4394-11f1-a190-b42e991fc52e advisory. https://bugzilla.mozilla.org/buglist.cgi?bugid=2021904%2C2022731%2C2027158%2C2027733%2C2027973%2C202797...

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 ES...

CVE-2026-7324

Memory safety bugs present in 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 Thunderbird 150.0.1...

EUVD-2026-26061

Memory safety bugs present in 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...

CVE-2026-7322 Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1

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 ES...

RLSA-2026:10767 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScript Engine compone...

RLSA-2026:10757 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScript Engine compone...