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 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...

firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component

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...

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...

The vulnerability of the GC component in the Firefox web browser and the Thunderbird email client, which allows a hacker to trigger a service failure

The vulnerability of the GC component in the Firefox web browser and the Thunderbird email client is related to the use of memory after it is released. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability in the Firefox web browser and the Thunderbird email client relates to the use of an uninitialized resource, allowing a hacker to trigger a service failure.

The vulnerability in the Firefox web browser and the Thunderbird email client is related to the use of an uninitialized resource. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

The vulnerability of Firefox browser and Thunderbird email client lies in the use of memory after it is freed, allowing an attacker to trigger a service failure.

The vulnerability of Firefox browser and Thunderbird email client lies in the use of memory after it is freed. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client, which allows a hacker to trigger a service failure

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client is related to type conversion errors. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

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...

The vulnerability of the GC component in the Firefox web browser and the Thunderbird email client allows attackers to gain access to confidential data and compromise its integrity.

The vulnerability of the GC component in the Firefox web browser and the Thunderbird email client is related to the simultaneous execution using a shared resource with incorrect synchronization. Exploiting this vulnerability can allow an attacker to gain access to confidential data and compromise...

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client allows attackers to gain access to confidential data and compromise its integrity.

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to gain access to confidential data and compromise its integrity...

The vulnerability in the Firefox web browser and the Thunderbird email client relates to access to an uninitialized pointer, allowing a malicious actor to trigger a service failure.

The vulnerability in the Firefox web browser and the Thunderbird email client relates to access to an uninitialized pointer. Exploiting this vulnerability could allow a malicious actor to cause service failures...

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client, which allows a hacker to trigger a service failure

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client is related to insufficient checking of unusual or exceptional states. Exploiting this vulnerability could allow a remote attacker to cause service failures...

The vulnerability in the Firefox web browser and Thunderbird email client, related to the disclosure of information, allows attackers to gain access to confidential data.

The vulnerability in the Firefox web browser and Thunderbird email client relates to the disclosure of information. Exploiting this vulnerability can allow a malicious actor to gain access to confidential data...

RHEL 9 : thunderbird (RHSA-2026:13342)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:13342 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: libpng: libpng: Arbitrary code execution due to use-after-fr...

Security update for MozillaThunderbird (important)

openSUSE security update: security update for mozillathunderbird ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20664-1 Rating: important References: bsc1260083 bsc1262230 Cross-References: CVE-2025-59375 CVE-2026-3889 CVE-2026-4371 CVE-2026-4684...

ALSA-2026:13537 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. 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 component CVE-2026-6754 firefox: thunderbird: Spoofing...

The vulnerability in the Firefox web browser and the Thunderbird email client relates to the ability to write beyond the buffer limit, allowing an attacker to trigger a service failure.

The vulnerability in the Firefox web browser and the Thunderbird email client is related to buffer overflow attacks. Exploiting this vulnerability can allow a malicious actor to cause service interruptions remotely...

The vulnerability in the Firefox web browser and the Thunderbird email client relates to the use of memory after it is freed, allowing an attacker to trigger a service failure.

The vulnerability in the Firefox web browser and the Thunderbird email client relates to the use of memory after it is freed. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

The vulnerability of the UI components of the Firefox web browser and the Thunderbird email client, which allows a hacker to access confidential data

The vulnerability of the UI component in the Firefox web browser and the Thunderbird email client relates to the disclosure of information. Exploiting this vulnerability can allow a malicious actor to gain access to confidential data...