1,432 results · Feed
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Unscored —
The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless mode. This v…
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Unscored —
The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be abused to esca…
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Unscored —
A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox …
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High 8.8
Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. This vulnerabil…
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Unscored —
When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary…
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Unscored —CVE-2023-6856 EPSS 21%
The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa V…
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Unscored —
The signature of a digitally signed S/MIME email message may optionally specify the signature creation date and time. I…
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Unscored —
When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown…
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Unscored —
Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4. Some of these bugs showed evidence…
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Unscored —
When using X11, text selected by the page using the Selection API was erroneously copied into the primary selection, a …
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Unscored —
Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could b…
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Unscored —
Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefo…
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Unscored —
The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission pro…
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Unscored —
On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak …
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Unscored —
It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to …
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Unscored —
Address bar spoofing via bidirectional characters
An attacker could have created a malicious link using 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.
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Unscored —
Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. Some of these bugs showed evidence…
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High 7.5
During garbage collection extra operations were performed on a object that should not be. This could have led to a pote…
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Unscored —
A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to …
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High 7.5
Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led to a crash. …
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Unscored —
It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to…
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High 8.8
Electron affected by libvpx's heap buffer overflow in vp8 encoding
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)
KEV Oct 2, 2023 -
Critical 9.8
Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. Some of these bugs showed evidence…
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Unscored —
During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to…
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Unscored —
A compromised content process could have provided malicious data in a `PathRecording` resulting in an out-of-bounds wri…
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High 8.8
libwebp: OOB write in BuildHuffmanTable
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)
KEV Sep 13, 2023 -
High 8.8
Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2
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 vulnerabili…
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Unscored —
Memory safety bugs fixed in Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2
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…
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High 7.5
Browsing Context potentially not cleared when closing Private Window
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 …
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Unscored —
XLL file extensions were downloadable without warnings
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, Th…
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Unscored —
Push notifications saved to disk unencrypted
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.
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Unscored —
Error reporting methods in SpiderMonkey could have triggered an Out of Memory Exception
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 M…
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Unscored —
Memory corruption in JIT UpdateRegExpStatics
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 < 1…
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Unscored —
Memory corruption in IPC FilePickerShownCallback
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-fre…
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Unscored —
Memory corruption in IPC ColorPickerShownCallback
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-fr…
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Unscored —
Memory corruption in IPC CanvasTranslator
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,…
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Unscored —
Memory safety bugs present in Firefox 115, Firefox ESR 115.0, and Thunderbird 115.0. Some of these bugs showed evidence…
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Unscored —
Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 10…
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Unscored —
When the number of cookies per domain was exceeded in `document.cookie`, the actual cookie jar sent to the host was no …
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Unscored —
Full screen notification obscured by external program
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, Firefo…