When importing resources using Web Workers, error messages would distinguish the difference between application/javascript responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thu...
5.9CVSS
5.4AI Score
0.0004EPSS
When saving a page to PDF, certain font styles could have led to a potential use-after-free crash. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
5.7AI Score
0.0004EPSS
A memory allocation check was missing which would lead to a use-after-free if the allocation failed. This could have triggered a crash or potentially be leveraged to achieve code execution. This vulnerability affects Firefox < 126.
8.6CVSS
6.3AI Score
0.0004EPSS
An HTTP digest authentication nonce value was generated using rand() which could lead to predictable values. This vulnerability affects Firefox < 126.
5.9AI Score
0.0004EPSS
When a network error occurred during page load, the prior content could have remained in view with a blank URL bar. This could have been used to obfuscate a spoofed web site. This vulnerability affects Firefox < 126.
5.7AI Score
0.0004EPSS
The ShmemCharMapHashEntry() code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox < 126.
5.9AI Score
0.0004EPSS
An iterator stop condition was missing when handling WASM code in the built-in profiler, potentially leading to invalid memory access and undefined behavior. Note: This issue only affects the application when the profiler is running. This vulnerability affects Firefox < 126.
5.9CVSS
6AI Score
0.0004EPSS
A file dialog shown while in full-screen mode could have resulted in the window remaining disabled. This vulnerability affects Firefox < 126.
8.2CVSS
5.7AI Score
0.0004EPSS
Memory safety bugs present in Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 126, Firefox E...
7AI Score
0.0004EPSS
Memory safety bugs present in Firefox 125. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 126.
9.8CVSS
7AI Score
0.0004EPSS
If a specific sequence of actions is performed when opening a new tab, the triggering principal associated with the new tab may have been incorrect. The triggering principal is used to calculate many values, including the Referer and Sec-* headers, meaning there is the potential for incorrect secur...
5.3CVSS
6.3AI Score
0.0004EPSS
If a garbage collection was triggered at the right time, a use-after-free could have occurred during object transplant. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
8.1CVSS
5.4AI Score
0.0004EPSS
In addition to detecting when a user was taking a screenshot (XXX), a website was able to overlay the 'My Shots' button that appeared, and direct the user to a replica Firefox Screenshots page that could be used for phishing. This vulnerability affects Firefox < 127.
6.2AI Score
0.0004EPSS
By monitoring the time certain operations take, an attacker could have guessed which external protocol handlers were functional on a user's system. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
5.3AI Score
0.0004EPSS
By tricking the browser with a X-Frame-Options header, a sandboxed iframe could have presented a button that, if clicked by a user, would bypass restrictions to open a new window. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
5.2AI Score
0.0004EPSS
On Windows 10, when using the 'Save As' functionality, an attacker could have tricked the browser into saving the file with a disallowed extension such as .url by including an invalid character in the extension. Note: This issue only affected Windows operating systems. Other operating systems are u...
5.4AI Score
0.0004EPSS
Offscreen Canvas did not properly track cross-origin tainting, which could be used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
6.1CVSS
5.2AI Score
0.0004EPSS
An attacker could have caused a use-after-free in the JavaScript engine to read memory in the JavaScript string section of the heap. This vulnerability affects Firefox < 127.
6.2AI Score
0.0004EPSS
If an out-of-memory condition occurs at a specific point using allocations in the probabilistic heap checker, an assertion could have been triggered, and in rarer situations, memory corruption could have occurred. This vulnerability affects Firefox < 127.
6.7AI Score
0.0004EPSS
By manipulating the text in an <input> tag, an attacker could have caused corrupt memory leading to a potentially exploitable crash. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
5.4AI Score
0.0004EPSS
A website was able to detect when a user took a screenshot of a page using the built-in Screenshot functionality in Firefox. This vulnerability affects Firefox < 127.
6.3AI Score
0.0004EPSS
By manipulating the fullscreen feature while opening a data-list, an attacker could have overlaid a text box over the address bar. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 127.
6.2AI Score
0.0004EPSS
In violation of spec, cookie prefixes such as __Secure were being ignored if they were not correctly capitalized - by spec they should be checked with a case-insensitive comparison. This could have resulted in the browser not correctly honoring the behaviors specified by the prefix. This vulnerabil...
6.3AI Score
0.0004EPSS
Memory safety bugs present in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 127, Firefox E...
7CVSS
6.7AI Score
0.0004EPSS
Memory safety bugs present in Firefox 126. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 127.
7.5AI Score
0.0004EPSS
Memory corruption in the networking stack could have led to a potentially exploitable crash. This vulnerability affects Firefox < 125, Firefox ESR < 115.12, and Thunderbird < 115.12.
5.7AI Score
0.0004EPSS