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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 9.8CVE-2025-0247 EPSS 11%
Memory safety bugs fixed in Firefox 134 and Thunderbird 134
Memory safety bugs present in Firefox 133 and Thunderbird 133. 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 was fixed in Firefo…
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Critical 9.8
Potential race conditions in IndexedDB could have caused memory corruption, leading to a potentially exploitable crash.…
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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
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 and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 102. Some of these bugs …
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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 9.8
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 9.8CVE-2022-25315 Public exploit
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.
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Critical 9.8CVE-2022-25235 Public exploit
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a U…
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Critical 9.8
xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespac…
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Critical 9.8CVE-2022-23852 Public exploit
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML…
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Critical 9.8CVE-2022-22822 Public exploit
addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
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Critical 9.8
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
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Critical 9.8
defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
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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