Astra Linux – Vulnerability in Firefox and Thunderbird

By injecting a cookie with certain special characters, an attacker on a shared subdomain that is not in a secure context can set and overwrite cookies from a secure context. This leads to session fixation and other attacks. This vulnerability affects Firefox ESR 102.3, Thunderbird 102.3, and...

Astra Linux – Vulnerability in Firefox and Thunderbird

Firefox was vulnerable to a heap buffer overflow in nsTextFragment due to insufficient OOM handling. This vulnerability affects Firefox ESR 115.6, Thunderbird 115.6, and Firefox 121...

Astra Linux – Vulnerability in Firefox and Thunderbird

When a ServiceWorker intercepted a request using FetchEvent, the origin of the request was lost after the ServiceWorker took control of it. This caused the SameSite cookie protections to be negated. This issue was addressed in the specifications, and later in various browsers. This vulnerability...

Astra Linux – Vulnerability in Firefox and Thunderbird

When opening Diagcab files, Firefox did not warn the user that these files might contain malicious code. This vulnerability affects Firefox 115, Firefox ESR 102.13, and Thunderbird 102.13...

Astra Linux – Vulnerability in Firefox and Thunderbird

Keyboard events reference strings like “KeyA” that are located at fixed, known, and widely-distributed addresses. Cache-based timing attacks, such as Prime+Probe, could potentially determine which keys were pressed. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefox 107...

Astra Linux – Vulnerability in Firefox and Thunderbird

The return registers were overwritten, which could have allowed an attacker to execute arbitrary code. Note: This issue only affected Armv7-A systems. Other operating systems were not affected. This vulnerability affects Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

When saving a page as a PDF, certain font styles might lead to a potential “use-after-free” crash. This vulnerability affects Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11...

Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. Some of these bugs showed evidence of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability...

Astra Linux – Vulnerability in Thunderbird

If a Thunderbird user responded to a crafted HTML email containing a meta tag, where the meta tag had the http-equiv="refresh" attribute, and the content attribute specified a URL, then Thunderbird would initiate a network request to that URL, regardless of any configuration settings that block...

Astra Linux – Vulnerability in Thunderbird

When receiving an HTML email that instructed to load an iframe element from a remote location, a request was sent to the remote document. However, Thunderbird did not display the document. This vulnerability affects Thunderbird versions 102.2.1 and Thunderbird 91.13.1...

Astra Linux – Vulnerability in Thunderbird

When receiving an HTML email that contained an iframesrcdoc attribute to define the inner HTML document, remote objects specified in the nested document—such as images or videos—were not blocked. Instead, the network was accessed, the objects were loaded, and displayed. This vulnerability affects...

Astra Linux – Vulnerability in Firefox and Thunderbird

Using tables within an iframe, an attacker could cause the iframe contents to be rendered outside the boundaries of the iframe, leading to potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefox 107...

Astra Linux – Vulnerability in Thunderbird

Certain crafted MIME email messages that claimed to contain encrypted OpenPGP messages actually contained an OpenPGP-signed message. These messages were incorrectly displayed as encrypted. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8...

Astra Linux – Vulnerability in Thunderbird

The signature of a digitally signed S/MIME email message may optionally specify the signature creation date and time. If this information is present, Thunderbird does not compare the signature creation date with the message date and time, and displays a valid signature even if there is a mismatch...

Astra Linux – Vulnerability in Firefox and Thunderbird

When resolving a symbolic link, a race condition may occur, where the buffer passed to readlink might actually be smaller than necessary. This bug only affects Firefox on Unix-based operating systems Android, Linux, MacOS. Windows is unaffected. This vulnerability affects Firefox ESR 115.6,...

Astra Linux – Vulnerability in Firefox and 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 and Thunderbird

NSSToken objects were accessed via direct pointers, and could be accessed in an unsafe manner on different threads, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird 91.8, Firefox 99, and Firefox ESR 91.8...

Astra Linux – Vulnerability in Firefox and Thunderbird

A properly crafted CMS message could be processed incorrectly, resulting in an invalid memory read and potentially further memory corruption. This vulnerability affects Thunderbird 91.10, Firefox 101, and Firefox ESR 91.10...

Astra Linux – Vulnerability in Firefox and Thunderbird

Uninitialized memory in a canvas object could have led to an incorrect free operation, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and Firefox 91...

Astra Linux – Vulnerability in Firefox and Thunderbird

The texture upload of a Pixel Buffer Object could have caused WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR 78.9, Firefox 87, and Thunderbird 78.9...