Memory corruption

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...

Spoofing

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-2023-25738

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...

Design/Logic Flaw

A website could have obscured the fullscreen notification by using a combination of window.open, fullscreen requests, window.name assignments, and setInterval calls. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox 112, Focus for Android 112,...

Code injection

An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes via PKCS 12 Safe Bag attributes being mishandled. This vulnerability affects Firefox 110, Thunderbird 102.8, and Firefox ESR 102.8...

Design/Logic Flaw

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...

Design/Logic Flaw

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...

Design/Logic Flaw

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...

Design/Logic Flaw

After downloading a Windows .url shortcut from the local filesystem, an attacker could supply a remote path that would lead to unexpected network requests from the operating system. This also had the potential to leak NTLM credentials to the resource.This bug only affects Firefox on Windows. Othe...

Code injection

Module load requests that failed were not being checked as to whether or not they were cancelled causing a use-after-free in ScriptLoadContext. This vulnerability affects Firefox 110, Thunderbird 102.8, and Firefox ESR 102.8...

Information disclosure

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, Thunderbird 102.7, and Firefox ESR 102.7...

Memory corruption

Mozilla developers Randell Jesup, Andrew Osmond, Sebastian Hengst, Andrew McCreight, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 111 and Firefox ESR 102.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these...

Memory corruption

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 run arbitrary code. This vulnerabilit...

Code injection

An invalid downcast from nsTextNode to SVGElement could have lead to undefined behavior. This vulnerability affects Firefox 110, Thunderbird 102.8, and Firefox ESR 102.8...

CVE-2023-25746

CVE-2023-25746 corresponds to memory-safety bugs in Firefox ESR 102.7 and related components. The connected sources confirm this affects Firefox ESR before 102.8 and Thunderbird before 102.8, with the underlying issue described as memory corruptionthat could be exploited to run arbitrary code. Th...

CVE-2023-1945

CVE-2023-1945 is a vulnerability in Mozilla code paths related to the Safe Browsing API. The initial data from the Safe Browsing API could lead to memory corruption and a potentially exploitable crash. Affected products per the connected data: Thunderbird and Firefox ESR, affected when using vers...

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-2023-23603 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, Firefox ESR 102.7, and Thunderbird 102.7...

CVE-2023-25742

When importing a SPKI RSA public key as ECDSA P-256, the key would be handled incorrectly causing the tab to crash. This vulnerability affects Firefox 110, Thunderbird 102.8, and Firefox ESR 102.8...

CVE-2023-32215

CVE-2023-32215 refers to memory-safety bugs in Mozilla Firefox and Firefox ESR (112/ESR 102.10) with potential for arbitrary code execution. Affected are Firefox < 113, Firefox ESR < 102.11, and Thunderbird