CVE-2023-29535

Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox 112, Focus for Android 112, Firefox ESR 102.10, Firefox for Android 112, and...

CVE-2023-32211

CVE-2023-32211 describes a type checking bug in Mozilla Firefox and Thunderbird that could lead to invalid code being compiled. The connected documents confirm the flaw affects Firefox versions prior to 113, Firefox ESR prior to 102.11, and Thunderbird prior to 102.11. Multiple security advisorie...

CVE-2023-25732

When encoding data from an inputStream in xpcom the size of the input being encoded was not correctly calculated potentially leading to an out of bounds memory write. This vulnerability affects Firefox 110, Thunderbird 102.8, and Firefox ESR 102.8...

CVE-2023-25729

Permission prompts for opening external schemes were only shown for ContentPrincipals resulting in extensions being able to open them without user interaction via ExpandedPrincipals. This could lead to further malicious actions such as downloading files or interacting with software already...

CVE-2023-25728

The Content-Security-Policy-Report-Only header could allow an attacker to leak a child iframe's unredacted URI when interaction with that iframe triggers a redirect. This vulnerability affects Firefox 110, Thunderbird 102.8, and Firefox ESR 102.8...

CVE-2023-1945

Unexpected data returned from the Safe Browsing API could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 102.10 and Firefox ESR 102.10...

CVE-2023-25746

Memory safety bugs present in Firefox ESR 102.7. 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 affects Thunderbird 102.8 and Firefox ESR 102.8...

CVE-2023-28164

CWE- style note: CVE-2023-28164 affects Firefox <111, Firefox ESR <102.9, and Thunderbird

CVE-2023-25728

The CVE-2023-25728 entry describes a CSP-Report-Only header issue where an attacker could leak a child iframe’s unredacted URI during a redirect, affecting Firefox < 110, Thunderbird < 102.8, and Firefox ESR

CVE-2023-29550

CVE-2023-29550 corresponds to memory-safety bugs in Mozilla Firefox 111 and Firefox ESR 102.9 (affecting Firefox < 112, Focus for Android < 112, ESR < 102.10, Firefox for Android < 112, Thunderbird

CVE-2023-1945

Unexpected data returned from the Safe Browsing API could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 102.10 and Firefox ESR 102.10...

CVE-2023-29539

Concrete details found: CVE-2023-29539 (Content-Disposition filename truncation on NULL) affects Firefox family and Thunderbird; root cause is NULL character in filename causing truncation and potential Reflected File Download. Connected documents (Astra Linux bulletin, Debian/CentOS advisories) ...

CVE-2023-25730

CVE-2023-25730 describes a browser vulnerability where a background script calling document.documentElement.requestFullscreen and then blocking the main thread can force fullscreen mode indefinitely, potentially causing user confusion or spoofing. The connected documents confirm affected products...

CVE-2023-25735

Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in the main compartment resulting in a use-after-free after unwrapping the proxy. This vulnerability affects Firefox 110, Thunderbird 102.8, and Firefox ESR 102.8...

CVE-2023-29548

CVE-2023-29548 concerns a wrong lowering instruction in the ARM64 Ion compiler that yields an incorrect optimization result. The vulnerability affects Firefox (<112), Focus for Android (<112), Firefox ESR (<102.10), Firefox for Android (<112), and Thunderbird (

CVE-2023-1945

Unexpected data returned from the Safe Browsing API could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 102.10 and Firefox ESR 102.10...

CVE-2023-23598

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 109, Firefox ESR 102.7, and Thunderbird...

CVE-2023-23602

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, Firefox ESR 102.7, and Thunderbird 102.7...

CVE-2023-25729

Permission prompts for opening external schemes were only shown for ContentPrincipals resulting in extensions being able to open them without user interaction via ExpandedPrincipals. This could lead to further malicious actions such as downloading files or interacting with software already...

CVE-2023-25738

Members of the DEVMODEW struct set by the printer device driver weren't being validated and could have resulted in invalid values which in turn would cause the browser to attempt out of bounds access to related variables.This bug only affects Firefox on Windows. Other operating systems are...