1,430 results · Feed
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Unscored —
Full screen notification obscured by file open dialog
A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.
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Unscored —CVE-2023-4050 EPSS 13%
In some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a pot…
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Unscored —
Race conditions in reference counting code were found through code inspection. These could have resulted in potentially…
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Unscored —
An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations.…
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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 —
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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Medium 5.3CVE-2023-1999 Public exploit
Use after free in libwebp
There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encode…
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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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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
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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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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Medium 6.5
Calls to console.log allowed bypassing Content Security Policy via format directive
Regular expressions used to filter out forbidden properties and values from style directives in calls to `console.log` weren't accounting for external URLs. Data could then be potentially exfiltrated from the browser. This vulnerability affects Firefox < 109,…
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Unscored —
URL being dragged from cross-origin iframe into same tab triggers navigation
Navigations were being allowed when dragging a URL from a cross-origin iframe into the same tab which could lead to website spoofing attacks This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7.
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High 8.8
Permission prompts for opening external schemes were only shown for <code>ContentPrincipals</code> resulting in extensi…