The vulnerability of Firefox browsers, Firefox ESR, and Thunderbird email clients, Thunderbird ESR, is related to the execution of operations outside of the buffer in memory, allowing an attacker to execute arbitrary code.

The vulnerability in browsers Firefox, Firefox ESR, and email clients Thunderbird, Thunderbird ESR, is related to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of Firefox browsers, Firefox ESR, and Thunderbird email clients, Thunderbird ESR, is related to writing beyond the buffer limit, allowing an attacker to execute arbitrary code.

The vulnerability of Firefox browsers, Firefox ESR, and Thunderbird email clients, Thunderbird ESR, is related to writing beyond the buffer limit. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

RockyLinux 10 : thunderbird (RLSA-2026:6342)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:6342 advisory. firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-4701 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR...

RockyLinux 10 : firefox (RLSA-2026:5931)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:5931 advisory. firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-4701 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR...

MozillaThunderbird-140.9.1-1.1 on GA media (moderate)

MozillaThunderbird-140.9.1-1.1 on GA media Announcement ID: openSUSE-SU-2026:10501-1 Rating: moderate Cross-References: CVE-2026-5731 CVE-2026-5732 CVE-2026-5734 Affected Products: openSUSE Tumbleweed An update that solves 3 vulnerabilities can now be installed. Description: These are all securit...

SUSE CVE-2026-5731

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 memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

SUSE CVE-2026-5733

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2...

SUSE CVE-2026-5734

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 we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was...

SUSE CVE-2026-5735

Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. 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 149.0.2 and Thunderbird...

[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-140.9.1esr-i686-1slack15.0.txz: Upgraded. This release contains security fixes and improvements. For...

RHSA-2026:6917 Red Hat Security Advisory: thunderbird security update

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CVE-2026-5735

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of thes...

CVE-2026-5732

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions, integer overflow in the Graphics: Text component...

CVE-2026-5734

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...

CVE-2026-5731

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...

Mozilla Firefox and Mozilla Thunderbird Buffer Overflow Vulnerability (CNVD-2026-16992)

Mozilla Firefox is an open source web browser.Mozilla Thunderbird is a set of e-mail client software separate from the Mozilla Application Suite. The software supports IMAP, POP mail protocols and HTML mail format. A buffer overflow vulnerability exists in Mozilla Firefox and Mozilla Thunderbird...

Memory Corruption Vulnerability in Multiple Mozilla Products (CNVD-2026-16994)

Mozilla Firefox is an open source web browser.Mozilla Firefox ESR is an extended support version of Firefox the web browser.Mozilla Thunderbird is a suite of email client software separate from the Mozilla Application Suite. A memory corruption vulnerability exists in multiple Mozilla products,...

The vulnerability in the Access API of Mozilla Firefox, Firefox ESR, and the Thunderbird email client allows a perpetrator to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the Access API components of Mozilla Firefox, Firefox ESR, and the email client Thunderbird relates to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...

The vulnerabilities of Mozilla Firefox, Firefox ESR, and the email client Thunderbird are related to insufficient validation of input data. This allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerabilities of Mozilla Firefox, Firefox ESR, and the email client Thunderbird are related to insufficient validation of input data. Exploiting these vulnerabilities can allow an attacker to compromise the confidentiality, integrity, and accessibility of protected information...

The vulnerability of Mozilla Firefox, Firefox ESR, and the email client Thunderbird lies in the use of memory after it is freed. This allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerabilities of Mozilla Firefox, Firefox ESR, and the email client Thunderbird are related to the use of memory after it is freed. Exploiting these vulnerabilities can allow an attacker to compromise the confidentiality, integrity, and accessibility of protected information...