712 results · Feed
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Unscored —
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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Unscored —
In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in …
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Unscored —
Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from ano…
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Unscored —
Use-after-free in workers
During the worker lifecycle, a use-after-free condition could have occurred, which could have led to a potentially exploitable crash. This vulnerability affects Firefox < 115.0.2, Firefox ESR < 115.0.2, and Thunderbird < 115.0.1.
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Unscored —
Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. Some of these bugs showed eviden…
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Unscored —
When opening Diagcab files, Firefox did not warn the user that these files may contain malicious code. This vulnerabili…
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Unscored —
A website could have obscured the fullscreen notification by using a URL with a scheme handled by an external program, …
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Unscored —
Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in …
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Unscored —
An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS. This vulnerab…
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Unscored —
Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12. Some of these bugs showed eviden…
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Unscored —
The error page for sites with invalid TLS certificates was missing the activation-delay Firefox uses to protect prompts…
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Medium 6.5
Similar to CVE-2023-28163, this time when choosing 'Save Link As', suggested filenames containing environment variable …
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Critical 9.8
A newline in a filename could have been used to bypass the file extension security mechanisms that replace malicious fi…
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Medium 5.5
A local attacker can trick the Mozilla Maintenance Service into applying an unsigned update file by pointing the servic…
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Critical 9.8
An attacker could have caused an out of bounds memory access using WebGL APIs, leading to memory corruption and a poten…
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Unscored —
Protocol handlers `ms-cxh` and `ms-cxh-full` could have been leveraged to trigger a denial of service. *Note: This atta…
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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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Medium 6.5
Dragging a URL from a cross-origin iframe that was removed during the drag could have led to user confusion and website…
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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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Medium 6.5
When downloading files through the Save As dialog on Windows with suggested filenames containing environment variable n…
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Medium 6.5
Unexpected data returned from the Safe Browsing API could have led to memory corruption and a potentially exploitable c…
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Unscored —
An out-of-bound read could have led to a crash in the RLBox Expat driver. This vulnerability affects Firefox < 113, Fir…
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Unscored —
In multiple cases browser prompts could have been obscured by popups controlled by content. These could have led to pot…
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Unscored —
An attacker could have positioned a `datalist` element to obscure the address bar. This vulnerability affects Firefox <…
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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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Unscored —
Mozilla developers and community members Gabriele Svelto, Andrew Osmond, Emily McDonough, Sebastian Hengst, Andrew McCr…
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Unscored —
A type checking bug would have led to invalid code being compiled. This vulnerability affects Firefox < 113, Firefox ES…
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Unscored —
When reading a file, an uninitialized value could have been used as read limit. This vulnerability affects Firefox < 11…
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Unscored —
Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resu…
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Medium 6.5
A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result. This vulnerability affe…
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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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Unscored —
An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled memory, res…
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Unscored —
A website could have obscured the fullscreen notification by using a combination of <code>window.open</code>, fullscree…
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Unscored —
When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename…
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Medium 6.5
Content Security Policy wasn't being correctly applied to WebSockets in WebWorkers
A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox < 109, Fi…
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Unscored —
Arbitrary file read from GTK drag and drop on Linux
Due to the Firefox GTK wrapper code's use of text/plain for drag data and GTK treating all text/plain MIMEs containing file URLs as being dragged a website could arbitrarily read a file via a call to `DataTransfer.setData`. This vulnerability affects Firefox …
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Unscored —
Malicious command could be hidden in devtools output on Windows
When copying a network request from the developer tools panel as a curl command the output was not being properly sanitized and could allow arbitrary commands to be hidden within. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird …
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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…