Astra Linux – Vulnerability in Firefox and Thunderbird

A memory safety bug exists in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug exhibited signs of memory corruption, and we assume that with sufficient effort, this could have been exploited to execute arbitrary code. This vulnerability affects Firefox versions less than 125, Firef...

Astra Linux – Vulnerability in Firefox and Thunderbird

If a website sets a large custom cursor, portions of the cursor may overlap with the permission dialog, potentially causing confusion for users and leading to unexpected granting of permissions. This vulnerability affects Firefox 123, Firefox ESR 115.8, and Thunderbird 115.8...

Astra Linux – Vulnerability in Firefox and Thunderbird

A website could have obscured the fullscreen notification by using a dropdown select input element. This could have caused user confusion and potentially led to spoofing attacks. This vulnerability affects Firefox 123, Firefox ESR 115.8, and Thunderbird 115.8...

Astra Linux – Vulnerability in Firefox and Thunderbird

Through a series of API calls and redirections, an alert dialog controlled by an attacker could have been displayed on another website with the victim website’s URL shown. This vulnerability affects Firefox 123, Firefox ESR 115.8, and Thunderbird 115.8...

Astra Linux – Vulnerability in Firefox and Thunderbird

A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result. This vulnerability affects Firefox 112, Focus for Android 112, Firefox ESR 102.10, Firefox for Android 112, and Thunderbird 102.10...

Astra Linux – Vulnerability in Firefox and Thunderbird

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an incorrect timestamp being used to prevent input after the page loads. This vulnerability affects Firefox 122, Firefox ESR 115.7, and Thunderbird 115.7...

Astra Linux – Vulnerability in Firefox and Thunderbird

When receiving rendering data via IPC mStream, it might have been destroyed during initialization, which could lead to a use-after-free condition and potentially cause a crash. This vulnerability affects Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2...

Astra Linux – Vulnerability in Firefox and Thunderbird

The WebGL DrawElementsInstanced method was vulnerable to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR 115.6, Thunderbird 115.6, and Firefox 121...

Astra Linux – Vulnerability in Firefox and Thunderbird

Memory safety bugs exist in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. 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 Firefox version...

Astra Linux – Vulnerabilities in Firefox, Thunderbird, and Expat

In libexpat through version 2.4.9, there was a use-after-free issue caused by excessive destruction of a shared DTD in the XMLExternalEntityParserCreate function, especially in out-of-memory situations...

Astra Linux – Vulnerability in Firefox and Thunderbird

Through complicated navigation with new windows, an HTTP page could inherit a secure lock icon from an HTTPS page. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Astra Linux – Vulnerability in Firefox and Thunderbird

Excel .xll add-ins did not have a blocklist entry in Firefox’s executable blocklist, which allowed them to be downloaded without any warning of their potential harm. This vulnerability affects Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2...

Astra Linux – Vulnerability in Thunderbird

The encrypted subject of an email message may be incorrectly and permanently assigned to another arbitrary email message in Thunderbird’s local cache. As a result, when replying to the contaminated email message, the user may accidentally expose the confidential subject to a third party. While th...

Astra Linux – Vulnerability in Thunderbird

When receiving an email message signed with OpenPGP/MIME and containing an additional outer MIME message layer, such as a message footer added by a mailing list gateway, Thunderbird only considers the signed inner message for signature validity. This creates the false impression that the addition...

Astra Linux – Vulnerability in Thunderbird

An attacker could create a malicious link that uses bidirectional characters to spoof the location in the address bar when visited. This vulnerability affects Firefox 117, Firefox ESR 115.4, and Thunderbird 115.4.1...

Astra Linux – Vulnerability in Firefox and Thunderbird

After requesting multiple permissions and closing the first permission panel, subsequent permission panels will be displayed in a different position, but still record a click at the default location. This allows users to be tricked into accepting permissions they do not want to grant. This bug on...

Astra Linux – Vulnerability in Firefox and Thunderbird

The ShutdownObserver function was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR 115.6, Thunderbird 115.6, and Firefox 121...

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

In SkRegion.cpp, there is a potential out-of-bounds write due to an integer overflow. This could lead to a local privilege escalation without the need for additional execution privileges. User interaction is not required for exploitation...

Astra Linux – Vulnerability in Firefox and Thunderbird

An attacker could have sent a message to the parent process, with the contents being used to index into a JavaScript object twice. This would lead to prototype pollution, and ultimately, attacker-controlled JavaScript would execute in the privileged parent process. This vulnerability affects...