Astra Linux – Vulnerability in Thunderbird

Mozilla developers reported memory safety bugs in Thunderbird 78.13.0. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability affects Thunderbird versions less...

Astra Linux – Vulnerability in Thunderbird

An attacker may carry out a DoS attack to prevent a user from sending encrypted emails to a correspondent. If an attacker creates a crafted OpenPGP key with a subkey that has an invalid self-signature, and the Thunderbird user imports the crafted key, then Thunderbird may attempt to use the inval...

Astra Linux – Vulnerability in Firefox and Thunderbird

When resizing a popup after requesting fullscreen access, the popup does not display the fullscreen notification. This vulnerability affects Firefox 98, Firefox ESR 91.7, and Thunderbird 91.7...

Astra Linux – Vulnerability in Firefox

Bypass of the same-origin policy in the Networking:Cookies component. This vulnerability has been fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

Astra Linux – Vulnerability in Firefox

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Thunderbird 152...

Astra Linux – Vulnerability in Firefox and Thunderbird

Firefox did not properly handle downloads of files ending with .desktop, which can be interpreted to execute commands controlled by the attacker. This bug only affects Firefox for Linux on certain distributions. Other operating systems are unaffected, and Mozilla is unable to list all affected...

Astra Linux – Vulnerability in Thunderbird

If a Thunderbird user has previously imported Alice’s OpenPGP key, and Alice has extended the validity period of her key, but Alice’s updated key has not yet been imported, an attacker may send an email containing a crafted version of Alice’s key with an invalid subkey. In this case, Thunderbird...

Astra Linux – Vulnerability in Firefox, Thunderbird

Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs in Firefox 102. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability affects Firefo...

Astra Linux – Vulnerability in Firefox

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

Astra Linux – Vulnerability in Firefox

Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

Astra Linux – Vulnerability in Firefox

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

Astra Linux – Vulnerability in Firefox

Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

Astra Linux – Vulnerability in Firefox

We are aware that the exploit code for this vulnerability is publicly available. However, we have no knowledge of any attacks in the wild that exploit this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 140.13, and Thunderbird 140.13...

Astra Linux – Vulnerability in Firefox

A memory safety bug has been fixed in Firefox 152. This vulnerability was addressed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

Astra Linux – Vulnerability in Firefox

A memory safety bug has been fixed in Firefox 152. This vulnerability was addressed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

Astra Linux – Vulnerability in Firefox

Another issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.13 and Firefox 153

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 140.12 and Thunderbird 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of...

CVE-2026-14899

Mozilla Thunderbird is vulnerable to an off-by-one error in the code used to parse MIME headers for display during message forwarding (active only if the setting to view all headers is enabled). This flaw allows a single byte to be read from memory following the header buffer, which could potenti...

Mozilla Thunderbird < 140.13

The version of Thunderbird installed on the remote Windows host is prior to 140.13. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-72 advisory. - Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed evidence of...

Mozilla Thunderbird < 153.0

The version of Thunderbird installed on the remote Windows host is prior to 153.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-71 advisory. - Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed evidence of...