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High 8.1
If a garbage collection was triggered at the right time, a use-after-free could have occurred during object transplant.…
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High 8.8
When saving a page to PDF, certain font styles could have led to a potential use-after-free crash. This vulnerability a…
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High 7.5
Memory safety bugs present in Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10. Some of these bugs showed eviden…
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High 8.1
Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed evidence of memory …
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High 7.8
The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free crashes during garb…
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High 7.5
GetBoundName could return the wrong version of an object when JIT optimizations were applied. This vulnerability affect…
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High 8.8
In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads. This…
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High 8.8
Memory safety bugs present in Firefox 123, Firefox ESR 115.8, and Thunderbird 115.8. Some of these bugs showed evidence…
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High 8.1
If an attacker could find a way to trigger a particular code path in `SafeRefPtr`, it could have triggered a crash or p…
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High 8.4
`AppendEncodedAttributeValue(), ExtraSpaceNeededForAttrEncoding()` and `AppendEncodedCharacters()` could have experienc…
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High 8.1
Return registers were overwritten which could have allowed an attacker to execute arbitrary code. *Note:* This issue on…
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High 7.5
The encrypted subject of an email message could be incorrectly and permanently assigned to an arbitrary other email mes…
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High 8.1
Memory safety bugs present in Firefox 122, Firefox ESR 115.7, and Thunderbird 115.7. Some of these bugs showed evidence…
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High 7.5
Incorrect code generation could have led to unexpected numeric conversions and potential undefined behavior.*Note:* Thi…
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High 7.5
When storing and re-accessing data on a networking channel, the length of buffers may have been confused, resulting in …
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High 7.5
An unchecked return value in TLS handshake code could have caused a potentially exploitable crash. This vulnerability a…
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High 8.8
Memory safety bugs present in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6. Some of these bugs showed evidence…
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High 8.8
A malicious devtools extension could have been used to escalate privileges. This vulnerability affects Firefox < 122, F…
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High 8.8
A bug in popup notifications delay calculation could have made it possible for an attacker to trick a user into grantin…
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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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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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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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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 -
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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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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High 8.8
An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes via PKCS 1…
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High 8.8
Memory safety bugs present in Firefox 110 and Firefox ESR 102.8. Some of these bugs showed evidence of memory corruptio…
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High 8.8
While implementing AudioWorklets, some code may have casted one type to another, invalid, dynamic type. This could have…
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High 8.8
A missing delay in popup notifications could have made it possible for an attacker to trick a user into granting permis…
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High 8.8
Firefox did not properly handle downloads of files ending in <code>.desktop</code>, which can be interpreted to run att…
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High 8.8
Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. Some of these bugs showed evidence of memory corruptio…
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High 8.8
Memory safety bugs fixed in Firefox 109 and Firefox ESR 102.7
Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 108 and Firefox ESR 102.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to…
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High 8.8
Permission prompts for opening external schemes were only shown for <code>ContentPrincipals</code> resulting in extensi…
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High 8.8
An invalid downcast from <code>nsTextNode</code> to <code>SVGElement</code> could have lead to undefined behavior. This…
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High 8.8
When encoding data from an <code>inputStream</code> in <code>xpcom</code> the size of the input being encoded was not c…
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High 8.8
Module load requests that failed were not being checked as to whether or not they were cancelled causing a use-after-fr…
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High 8.8
Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in …
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High 8.8
Memory safety bugs present in Firefox ESR 102.7. Some of these bugs showed evidence of memory corruption and we presume…
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High 8.2
Prototype pollution in matrix-js-sdk
matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. In versions prior to 19.4.0 events sent with special strings in key places can temporarily disrupt or impede the matrix-js-sdk from functioning properly, potentially impacting the …