firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: 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 som...

firefox: thunderbird: Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: 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 som...

Low: thunderbird

Issue Overview: libexpat before 2.7.6 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document. CVE-2026-41080 Affected Packages: thunderbird Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between AL...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: 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...

Medium: nss

Issue Overview: Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. CVE-2026-6766 Other issue in the Libraries component in NSS. This vulnerability was fixed in Firefox 150,...

Important: thunderbird

Issue Overview: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input. CVE-2026-45186 Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR...

TencentOS Server 3: firefox (TSSA-2026:0397)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0397 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

RHEL 8 : thunderbird (RHSA-2026:20586)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:20586 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Memory safety bugs fixed in Firefox ES...

TencentOS Server 3: thunderbird (TSSA-2026:0360)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0360 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

The vulnerability of Mozilla Firefox, Firefox ESR, and the email client Thunderbird, related to integer overflow, allows attackers to cause service failures.

The vulnerabilities of Mozilla Firefox, Firefox ESR, and the email client Thunderbird are related to integer overflows. Exploiting these vulnerabilities can allow a malicious actor to cause service failures remotely...

The vulnerability of Mozilla Firefox, Firefox ESR, and the email client Thunderbird relates to reading data beyond the buffer in memory, which allows an attacker to cause a service failure.

The vulnerabilities of Mozilla Firefox, Firefox ESR, and the email client Thunderbird involve reading data beyond the buffer in memory. Exploiting these vulnerabilities can allow a remote attacker to cause service interruptions...

Debian dla-4594 : thunderbird - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4594 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4594-1 [email protected]...

RockyLinux 8 : firefox (RLSA-2026:19588)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:19588 advisory. firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1 CVE-2026-7323 firefox: thunderbird: Information disclosure du...

firefox security update

An update is available for firefox. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Firefox is an open-source web browser, designed for standards...

RLSA-2026:19588 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: 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...

[SECURITY] [DLA 4594-1] thunderbird security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4594-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort May 22, 2026 https://wiki.debian.org/LTS -...

Debian dsa-6288 : thunderbird - security update

The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6288 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6288-1 [email protected]...

Linux Distros Unpatched Vulnerability : CVE-2026-8973

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 Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could ha...

AlmaLinux 8 : firefox (ALSA-2026:19588)

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:19588 advisory. 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...

[SECURITY] [DSA 6288-1] thunderbird security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6288-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 21, 2026 https://www.debian.org/security/faq -...