CentOS Linux 8.5 [TuxCare] Security Update: nss / nss-devel / nss-pkcs11-devel / nss-softokn / etc (CENTOS8.5:CLSA-2026:1786358095)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1786358095 advisory. - An unchecked return value in TLS handshake code could have caused a potentially exploitable crash. This vulnerability affects Firefox 122,...

AlmaLinux 9.2 [TuxCare] Security Update: thunderbird Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1783970136)

The AlmaLinux 9.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1783970136 advisory. - Insufficient checks when processing graphics shared memory could have led to memory corruption. This could be leveraged by an...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Privilege escalation in the DOM: Workers component CVE-2026-16365 firefox: thunderbird: Sandbox escape in the Remote Settings Client component CVE-2026-75874 firefox: Sandbox escape due to...

CVE-2026-103500: Undefined Security Weakness

An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size. This vulnerability was fixed in Thunderbird 157, Thunderbird 140.17, and Thunderbird 153.4...

PT-2026-103468

An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size. This vulnerability was fixed in Thunderbird 157, Thunderbird 140.17, and Thunderbird 153.4...

AlmaLinux 9.2 [TuxCare] Security Update: thunderbird (ALMALINUX9.2:CLSA-2026:1781079925)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1781079925 advisory. - Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1,...

AlmaLinux 10 : thunderbird (ALSA-2026:73130)

The remote AlmaLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:73130 advisory. firefox: thunderbird: Privilege escalation in the DOM: Workers component CVE-2026-16365 firefox: thunderbird: Sandbox escape in the Remote Settings Clie...

AlmaLinux 9.2 [TuxCare] Security Update: xdg-utils Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1751913634)

The AlmaLinux 9.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1751913634 advisory. - A flaw was found in the xdg-email component of xdg-utils-1.1.0-rc1 and newer. When handling mailto: URIs, xdg-email allows...

AlmaLinux 9.2 [TuxCare] Security Update: thunderbird Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1785839724)

The AlmaLinux 9.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1785839724 advisory. - The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an...

AlmaLinux 9.2 [TuxCare] Security Update: thunderbird Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1782811369)

The AlmaLinux 9.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1782811369 advisory. - Spoofing issue in the Form Autofill component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, a...

RockyLinux 10 : thunderbird (RLSA-2026:73130)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:73130 advisory. firefox: thunderbird: Privilege escalation in the DOM: Workers component CVE-2026-16365 firefox: thunderbird: Sandbox escape in the Remote Settings...

RHEL 8 : thunderbird (RHSA-2026:73971)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:73971 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Privilege escalation in the DOM: Worke...

AlmaLinux 9.2 [TuxCare] Security Update: thunderbird (ALMALINUX9.2:CLSA-2026:1782404883)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1782404883 advisory. - Incorrect boundary conditions in the Internationalization component. This vulnerability was fixed in Firefox ESR 140.12, Firefox ESR 115.37...

ALSA-2026:73971 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Privilege escalation in the DOM: Workers component CVE-2026-16365 firefox: thunderbird: Sandbox escape in the Remote Settings Client component CVE-2026-75874 firefox: Sandbox escape due to...

Mozilla Thunderbird < 140.17

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 140.17. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-102 advisory. - Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was...

Mozilla Thunderbird < 153.4

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 153.4. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-103 advisory. - Sandbox escape due to incorrect boundary conditions in the XPCOM component. This vulnerability was fixe...

KLA91310 Multiple vulnerabilities in Mozilla Thunderbird ESR

Multiple vulnerabilities were found in Mozilla Thunderbird ESR. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, obtain sensitive information, spoof user interface. Below is a complete list of vulnerabilities: 1. A...

Mozilla Thunderbird < 157.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 157.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-101 advisory. - Use-after-free in the DOM: UI Events & Focus Handling component. This vulnerability was fixed in Firefo...

Security Vulnerabilities fixed in Thunderbird 153.4 — Mozilla

An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size...

Mozilla Thunderbird < 153.4

The version of Thunderbird installed on the remote Windows host is prior to 153.4. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-103 advisory. - Sandbox escape due to incorrect boundary conditions in the XPCOM component. This vulnerability was fixed in Firef...