Astra Linux – Vulnerability in Firefox and Thunderbird

Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox

An attacker could write data to the user’s clipboard by bypassing the user prompt during a certain sequence of navigation events. This vulnerability affects Firefox 129, Firefox ESR 128.3, and Thunderbird 128.3...

Astra Linux – Vulnerability in Firefox and Thunderbird

Script elements that load cross-origin resources generated load and error events, which allowed information to be leaked and enabled XS-Leaks attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11...

Astra Linux – Vulnerability in Thunderbird, Firefox

Memory safety bugs exist in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6. 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...

Astra Linux – Vulnerability in Firefox and Thunderbird

An attacker could, through a specially crafted multipart response, execute arbitrary JavaScript under the resource://devtools origin. This would allow them to access cross-origin JSON content. This access is limited to “same site” documents due to the Site Isolation feature on desktop clients, bu...

Astra Linux – Vulnerability in Thunderbird

Previously, Firefox for macOS and Linux would download temporary files to a user-specific directory in /tmp. However, this behavior was changed so that the files were downloaded to /tmp, where they could be affected by other local users. This behavior has been reverted to the original,...

Astra Linux – Vulnerability in Firefox and Thunderbird

Relative URLs that start with three slashes were incorrectly parsed. The “path-traversal” /../ part in the path could be used to override the specified host. This could lead to security issues in websites. This vulnerability affects Firefox 120, Firefox ESR 115.5.0, and Thunderbird 115.5...

Astra Linux – Vulnerability in Firefox and Thunderbird

When creating a callback via IPC to display the Color Picker window, multiple identical callbacks might be created at once. Eventually, all of them would be destroyed as soon as one of the callbacks is completed. This could lead to a use-after-free condition, resulting in a potentially exploitabl...

Astra Linux – Vulnerability in Thunderbird, Firefox

An attacker could have exploited a use-after-free issue through the Custom Highlight API, resulting in a potentially exploitable crash. This vulnerability has been fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

Astra Linux – Vulnerability in Thunderbird, Firefox

A website could have obscured the full-screen notification by using a URL that was processed by an external program, such as a mailto URL. This could have caused confusion among users and potentially led to spoofing attacks. This vulnerability affects Firefox 116, Firefox ESR 115.2, and Thunderbi...

Astra Linux – Vulnerability in Thunderbird

Thunderbird parses addresses in a way that can allow sender spoofing in cases where the server allows an invalid From address to be used. For example, if the From header contains an invalid value like “Spoofed Name”, Thunderbird will treat “[email protected]” as the actual address. This...

Astra Linux – Vulnerability in Firefox, Thunderbird

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

On 64-bit platforms, IonMonkey-JIT only writes 32 bits of the 64-bit return value space onto the stack. However, Baseline-JIT reads the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and...

Astra Linux – Vulnerability in Thunderbird

Thunderbird processes the X-Mozilla-External-Attachment-URL header to handle attachments that can be hosted externally. When an email is opened, Thunderbird accesses the specified URL to determine the file size, and navigates to the attachment when the user clicks on it. Since the URL is not...

Astra Linux – Vulnerability in Thunderbird, Firefox

Mozilla developers Randell Jesup, Valentin Gosu, Olli Pettay, and the Mozilla Fuzzing Team reported memory safety bugs in Thunderbird 102.5. 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...

Astra Linux – Vulnerability in Thunderbird

A use-after-free in WebGL extensions could lead to a potentially exploitable crash. This vulnerability affects Firefox 107, Firefox ESR 102.6, and Thunderbird 102.6...

Astra Linux – Vulnerability in Firefox and Thunderbird

When installing an add-on, Firefox verifies the signature before prompting the user. However, while the user is confirming the prompt, the underlying add-on file could be modified without being detected by Firefox. This vulnerability affects Firefox versions earlier than 98, Firefox ESR versions...

Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers Andrew McCreight, Nicolas B. Pierron, and the Mozilla Fuzzing Team reported memory safety bugs in Firefox 100 and Firefox ESR 91.9. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited t...

Astra Linux – Vulnerability in Firefox and Thunderbird

If a PAC URL was set, and the server hosting the PAC was unreachable, OCSP requests would be blocked, resulting in incorrect error pages being displayed. This vulnerability affects Firefox 102, Firefox ESR 91.11, Thunderbird 102, and Thunderbird 91.11...

Astra Linux – Vulnerability in Thunderbird

Memory safety bugs exist in Firefox ESR 102.7. 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 102.8 and Firefox ESR 102.8...