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High 7.5
By sending a specially crafted push message, a remote server could have hung the parent process, causing the browser to…
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High 7.5
A clipboard "paste" button could persist across tabs which allowed a spoofing attack. This vulnerability affects Firefo…
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High 7.5
Repeated writes to history interface attributes could have been used to cause a Denial of Service condition in the brow…
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High 7.5
Video frames could have been leaked between origins in some situations. This vulnerability affects Firefox < 132, Firef…
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High 7.5
Truncation of a long URL could have allowed origin spoofing in a permission prompt. This vulnerability affects Firefox …
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High 7.5
A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a …
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High 8.8
A potential memory corruption vulnerability could be triggered if an attacker had the ability to trigger an OOM at a sp…
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High 8.8
It is currently unknown if this issue is exploitable but a condition may arise where the structured clone of certain ob…
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High 7.5
An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://pdf.j…
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High 7.5
An attacker could write data to the user's clipboard, bypassing the user prompt, during a certain sequence of navigatio…
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High 7.5
Type Confusion in Async Generators in Javascript Engine
An error in the ECMA-262 specification relating to Async Generators could have resulted in a type confusion, potentially leading to memory corruption and an exploitable crash. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.1…
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High 7.5
Firefox normally asks for confirmation before asking the operating system to find an application to handle a scheme tha…
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High 8.8
Internal browser event interfaces were exposed to web content when privileged EventHandler listener callbacks ran for t…
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High 8.1
The date picker could partially obscure security prompts. This could be used by a malicious site to trick a user into g…
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High 7.5
ANGLE failed to initialize parameters which lead to reading from uninitialized memory. This could be leveraged to leak …
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High 8.8
Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox…
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High 8.8
Insufficient checks when processing graphics shared memory could have led to memory corruption. This could be leveraged…
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High 7.4
Memory corruption in thread creation
In an out-of-memory scenario an allocation could fail but free would have been called on the pointer afterwards leading to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.
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High 7.5
Memory safety bugs fixed in Firefox 128, Firefox ESR 115.13, Thunderbird 128, and Thunderbird 115.13
Memory safety bugs present in Firefox 127, Firefox ESR 115.12, and Thunderbird 115.12. 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 vulnerabi…
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High 7.0
Memory safety bugs present in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11. Some of these bugs showed eviden…
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High 8.6
By manipulating the text in an `<input>` tag, an attacker could have caused corrupt memory leading to a potential…
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High 7.5
Memory corruption in the networking stack could have led to a potentially exploitable crash. This vulnerability affects…
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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…