In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
5.3CVSS
6.9AI Score
0.001EPSS
A bug in popup notifications delay calculation could have made it possible for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
8.8CVSS
8.6AI Score
0.003EPSS
An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
7.5CVSS
8AI Score
0.002EPSS
Race conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
5.9CVSS
7.5AI Score
0.001EPSS
In some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a potentially exploitable crash which could have led to a sandbox escape. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
7.5CVSS
8.2AI Score
0.002EPSS
A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.
7.5CVSS
7.1AI Score
0.001EPSS
The Firefox updater created a directory writable by non-privileged users. When uninstalling Firefox, any files in that directory would be recursively deleted with the permissions of the uninstalling user account. This could be combined with creation of a junction (a form of symbolic link) to allow ...
6.5CVSS
6.8AI Score
0.001EPSS
A website could have obscured the full screen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird <...
6.5CVSS
6.4AI Score
0.001EPSS
When opening appref-ms files, Firefox did not warn the user that these files may contain malicious code.This bug only affects Firefox on Windows. Other operating systems are unaffected. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, Firefox ESR < 115.1, Thunderbird < 10...
5.5CVSS
6.2AI Score
0.0005EPSS
When the number of cookies per domain was exceeded in document.cookie, the actual cookie jar sent to the host was no longer consistent with expected cookie jar state. This could have caused requests to be sent with some cookies missing. This vulnerability affects Firefox < 116, Firefox ESR < ...
7.5CVSS
7.9AI Score
0.002EPSS
Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. 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 vulnerabili...
9.8CVSS
10AI Score
0.002EPSS
Memory safety bugs present in Firefox 115, Firefox ESR 115.0, and Thunderbird 115.0. 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 < 116, Firefox ESR...
9.8CVSS
9.8AI Score
0.001EPSS
Memory safety bugs present in Firefox 115. 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 < 116.
9.8CVSS
9.7AI Score
0.002EPSS
When receiving rendering data over IPC mStream could have been destroyed when initialized, which could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thu...
6.5CVSS
6.9AI Score
0.001EPSS
When creating a callback over IPC for showing the Color Picker window, multiple of the same callbacks could have been created at a time and eventually all simultaneously destroyed as soon as one of the callbacks finished. This could have led to a use-after-free causing a potentially exploitable cra...
6.5CVSS
7AI Score
0.001EPSS
When creating a callback over IPC for showing the File Picker window, multiple of the same callbacks could have been created at a time and eventually all simultaneously destroyed as soon as one of the callbacks finished. This could have led to a use-after-free causing a potentially exploitable cras...
6.5CVSS
7AI Score
0.001EPSS
On Windows, an integer overflow could occur in RecordedSourceSurfaceCreation which resulted in a heap buffer overflow potentially leaking sensitive data that could have led to a sandbox escape.This bug only affects Firefox on Windows. Other operating systems are unaffected. This vulnerability affec...
8.6CVSS
8.2AI Score
0.001EPSS
When UpdateRegExpStatics attempted to access initialStringHeap it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
6.5CVSS
6.8AI Score
0.001EPSS
When calling JS::CheckRegExpSyntax a Syntax Error could have been set which would end in calling convertToRuntimeErrorAndClear. A path in the function could attempt to allocate memory when none is available which would have caused a newly created Out of Memory exception to be mishandled as a Syntax...
6.5CVSS
6.6AI Score
0.001EPSS
Search queries in the default search engine could appear to have been the currently navigated URL if the search query itself was a well formed URL. This could have led to a site spoofing another if it had been maliciously set as the default search engine. This vulnerability affects Firefox < 117...
3.1CVSS
5AI Score
0.001EPSS
Push notifications stored on disk in private browsing mode were not being encrypted potentially allowing the leak of sensitive information. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
6.5CVSS
6.7AI Score
0.001EPSS
Excel .xll add-in files 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 Thunde...
4.3CVSS
5.5AI Score
0.001EPSS
Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occured when allocating too much private shader memory on mac OS.This bug only affects Firefox on macOS. Other operating systems are unaffected. This vulnerability affects Firefox < 117, Firef...
8.8CVSS
8.1AI Score
0.001EPSS
When checking if the Browsing Context had been discarded in HttpBaseChannel, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox < 117, Fi...
7.5CVSS
7.2AI Score
0.001EPSS
Memory safety bugs present in Firefox 116, Firefox ESR 102.14, Firefox ESR 115.1, Thunderbird 102.14, and Thunderbird 115.1. 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 vulnerabili...
8.8CVSS
9.1AI Score
0.002EPSS
Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1. 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 < 117, Firefox ESR...
8.8CVSS
9AI Score
0.002EPSS
Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)
An attacker could have accessed internal pages or data by ex-filtrating a security key from ReaderMode via the referrerpolicy attribute. This vulnerability affects Firefox for iOS < 120.
9.8CVSS
8.7AI Score
0.001EPSS
An attacker could have performed HTML template injection via Reader Mode and exfiltrated user information. This vulnerability affects Firefox for iOS < 120.
6.1CVSS
6AI Score
0.0005EPSS
A compromised content process could have provided malicious data to FilterNodeD2D1 resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process.This bug only affects Firefox on Windows. Other operating systems are unaffected. This vulnerability affects Fir...
9.8CVSS
8.6AI Score
0.001EPSS
A compromised content process could have provided malicious data in a PathRecording resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
6.5CVSS
7.2AI Score
0.001EPSS
In canvas rendering, a compromised content process could have caused a surface to change unexpectedly, leading to a memory leak of a privileged process. This memory leak could be used to effect a sandbox escape if the correct data was leaked. This vulnerability affects Firefox < 118.
7.4CVSS
7.5AI Score
0.001EPSS
During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
6.5CVSS
7.3AI Score
0.001EPSS
A hashtable in the Ion Engine could have been mutated while there was a live interior reference, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 118.
9.8CVSS
8.8AI Score
0.001EPSS
In a non-standard configuration of Firefox, an integer overflow could have occurred based on network traffic (possibly under influence of a local unprivileged webpage), leading to an out-of-bounds write to privileged process memory.This bug only affects Firefox if a non-standard preference allowing...
7.5CVSS
7.6AI Score
0.001EPSS
If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer twice, resulting in a use-after-free and a potentially exploitable crash.This bug only affects Firefox on Windows when run in non-standard configurations (such as using runas). O...
9.8CVSS
9AI Score
0.001EPSS
During process shutdown, it was possible that an ImageBitmap was created that would later be used after being freed from a different codepath, leading to a potentially exploitable crash. This vulnerability affects Firefox < 118.
9.8CVSS
8.7AI Score
0.001EPSS
Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. 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 < 118, Firefox ESR...
9.8CVSS
9.8AI Score
0.001EPSS
Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
NSS was susceptible to a timing side-channel attack when performing RSA decryption. This attack could potentially allow an attacker to recover the private data. This vulnerability affects Firefox < 124, Firefox ESR < 115.9, and Thunderbird < 115.9.
6.3AI Score
0.0004EPSS
It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
4.3CVSS
6AI Score
0.001EPSS
Using iterative requests an attacker was able to learn the size of an opaque response, as well as the contents of a server-supplied Vary header. This vulnerability affects Firefox < 119.
5.3CVSS
6.1AI Score
0.001EPSS
An attacker with temporary script access to a site could have set a cookie containing invalid characters using document.cookie that could have led to unknown errors. This vulnerability affects Firefox < 119.
5.3CVSS
6.1AI Score
0.001EPSS
Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led to a crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
7.5CVSS
7.7AI Score
0.001EPSS
A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
4.3CVSS
6AI Score
0.001EPSS
A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks.Note: This issue only affected macOS operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 119, ...
4.3CVSS
5.3AI Score
0.001EPSS
The executable file warning was not presented when downloading .msix, .msixbundle, .appx, and .appxbundle files, which can run commands on a user's computer.Note: This issue only affected Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 119,...
6.5CVSS
6.9AI Score
0.001EPSS
During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
7.5CVSS
7.9AI Score
0.001EPSS
A malicious web site can enter fullscreen mode while simultaneously triggering a WebAuthn prompt. This could have obscured the fullscreen notification and could have been leveraged in a spoofing attack. This vulnerability affects Firefox < 119.
4.3CVSS
5.7AI Score
0.001EPSS
Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. 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 < 119, Firefox ESR...
9.8CVSS
9.8AI Score
0.001EPSS