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Critical 9.8
Out-of-bounds access when resolving Promise objects
An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbird 128.10.2, and Thunderbird 138.0.2.
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Critical 9.1
Process isolation bypass using "javascript:" URI links in cross-origin frames
A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerabil…
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Critical 9.8
Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7
Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6. 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.…
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Critical 9.8
Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 115.20, and Thunderbird 128.7
Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could ha…
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Critical 9.8
Use-after-free during concurrent delazification
A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
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Critical 9.8
A bug in WebAssembly code generation could result in a crash
A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
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Critical 9.8
Use-after-free in Custom Highlight
An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
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Critical 9.8
Use-after-free in XSLT
An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
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Critical 9.8
A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path. Under speci…
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Critical 9.8
Memory safety bugs present in Firefox 131, Firefox ESR 128.3, and Thunderbird 128.3. Some of these bugs showed evidence…
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Critical 9.8
An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timel…
KEV Oct 15, 2024 -
Critical 9.8
Memory safety bugs present in Firefox 130, Firefox ESR 115.15, Firefox ESR 128.2, and Thunderbird 128.2. Some of these …
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Critical 9.8
Memory safety bugs present in Firefox 130, Firefox ESR 128.2, and Thunderbird 128.2. Some of these bugs showed evidence…
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Critical 9.8
A compromised content process could have allowed for the arbitrary loading of cross-origin pages. This vulnerability af…
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Critical 9.8
Memory safety bugs present in Firefox 129, Firefox ESR 128.1, and Thunderbird 128.1. Some of these bugs showed evidence…
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Critical 9.8
A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confus…
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Critical 9.8
The JavaScript garbage collector could mis-color cross-compartment objects if OOM conditions were detected at the right…
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Critical 9.8CVE-2024-8381 Public exploit
A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as …
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Critical 9.1
It was possible for a web extension with minimal permissions to create a `StreamFilter` which could be used to read and…
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Critical 9.1
Editor code failed to check an attribute value. This could have led to an out-of-bounds read. This vulnerability affect…
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Critical 9.8
Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, …
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Critical 9.8
Memory corruption in NSS
A mismatch between allocator and deallocator could have led to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.
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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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Critical 9.8
Thunderbird versions prior to 91.3.0 are vulnerable to the heap overflow described in CVE-2021-43527 when processing S/…
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Critical 9.8
Session history navigations may have led to a use-after-free and potentially exploitable crash. This vulnerability affe…
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Critical 9.8
Mozilla developers Andrew McCreight, Gabriele Svelto, Tom Ritter and the Mozilla Fuzzing Team reported memory safety bu…
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Critical 9.8
Mozilla developers Andrew McCreight, Nicolas B. Pierron, and the Mozilla Fuzzing Team reported memory safety bugs prese…
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Critical 9.8
A malicious website could have learned the size of a cross-origin resource that supported Range requests. This vulnerab…
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Critical 9.8
A malicious webpage could have caused an out-of-bounds write in WebGL, leading to memory corruption and a potentially e…
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Critical 9.8
A use-after-free in WebGL extensions could have led to a potentially exploitable crash. This vulnerability affects Fire…
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Critical 9.8
If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while refer…
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Critical 9.6
If a document created a sandboxed iframe without <code>allow-scripts</code>, and subsequently appended an element to th…
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Critical 9.6
If an attacker could control the contents of an iframe sandboxed with <code>allow-popups</code> but not <code>allow-scr…
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Critical 9.6CVE-2022-26486 Exploited
An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We hav…
KEV Mar 7, 2022 -
Critical 9.8
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability af…
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Critical 9.8
Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith, Christian Holler, …
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Critical 9.8
An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vuln…
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Critical 10.0
Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can resul…
KEV May 23, 2022