Mozilla Firefox vulnerabilities

CVE-2024-3853 [HIGH] CWE-416 CVE-2024-3853: A use-after-free could result if a JavaScript realm was in the process of being initialized when a g A use-after-free could result if a JavaScript realm was in the process of being initialized when a garbage collection started. This vulnerability affects Firefox < 125.

CVE-2024-3852 [HIGH] CWE-386 CVE-2024-3852: GetBoundName could return the wrong version of an object when JIT optimizations were applied. This v GetBoundName could return the wrong version of an object when JIT optimizations were applied. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVE-2024-3864 [HIGH] CWE-119 CVE-2024-3864: Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVE-2024-3857 [HIGH] CWE-416 CVE-2024-3857: The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free crashes during garbage collection. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVE-2024-3854 [HIGH] CWE-125 CVE-2024-3854: In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVE-2024-3865 [HIGH] CWE-119 CVE-2024-3865: Memory safety bugs present in Firefox 124. Some of these bugs showed evidence of memory corruption a Memory safety bugs present in Firefox 124. 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 Firefox < 125.

CVE-2024-3856 [HIGH] CWE-416 CVE-2024-3856: A use-after-free could occur during WASM execution if garbage collection ran during the creation of A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array. This vulnerability affects Firefox < 125.

CVE-2024-3858 [HIGH] CWE-476 CVE-2024-3858: It was possible to mutate a JavaScript object so that the JIT could crash while tracing it. This vul It was possible to mutate a JavaScript object so that the JIT could crash while tracing it. This vulnerability affects Firefox < 125.

CVE-2024-3860 [MEDIUM] CWE-401 CVE-2024-3860: An out-of-memory condition during object initialization could result in an empty shape list. If the An out-of-memory condition during object initialization could result in an empty shape list. If the JIT subsequently traced the object it would crash. This vulnerability affects Firefox < 125.

CVE-2024-3855 [MEDIUM] CWE-125 CVE-2024-3855: In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125.

CVE-2024-3862 [MEDIUM] CWE-908 CVE-2024-3862: The MarkStack assignment operator, part of the JavaScript engine, could access uninitialized memory The MarkStack assignment operator, part of the JavaScript engine, could access uninitialized memory if it were used in a self-assignment. This vulnerability affects Firefox < 125.

CVE-2024-3861 [MEDIUM] CWE-416 CVE-2024-3861: If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect r If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and later use-after-free. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVE-2024-3859 [MEDIUM] CWE-125 CVE-2024-3859: On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially c On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVE-2024-3302 [LOW] CWE-770 CVE-2024-3302: There was no limit to the number of HTTP/2 CONTINUATION frames that would be processed. A server cou There was no limit to the number of HTTP/2 CONTINUATION frames that would be processed. A server could abuse this to create an Out of Memory condition in the browser. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVE-2024-31392 [HIGH] CVE-2024-31392: If an insecure element was added to a page after a delay, Firefox would not replace the secure icon If an insecure element was added to a page after a delay, Firefox would not replace the secure icon with a mixed content security status This vulnerability affects Firefox for iOS < 124.

CVE-2024-31393 [MEDIUM] CVE-2024-31393: Dragging Javascript URLs to the address bar could cause them to be loaded, bypassing restrictions an Dragging Javascript URLs to the address bar could cause them to be loaded, bypassing restrictions and security protections This vulnerability affects Firefox for iOS < 124.

CVE-2024-29943 [CRITICAL] CWE-125 CVE-2024-29943: An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling ran An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-based bounds check elimination. This vulnerability affects Firefox < 124.0.1.

CVE-2024-29944 [HIGH] CWE-830 CVE-2024-29944: An attacker was able to inject an event handler into a privileged object that would allow arbitrary An attacker was able to inject an event handler into a privileged object that would allow arbitrary JavaScript execution in the parent process. Note: This vulnerability affects Desktop Firefox only, it does not affect mobile versions of Firefox. This vulnerability affects Firefox < 124.0.1 and Firefox ESR < 115.9.1.

CVE-2024-2615 [CRITICAL] CWE-787 CVE-2024-2615: Memory safety bugs present in Firefox 123. Some of these bugs showed evidence of memory corruption a Memory safety bugs present in Firefox 123. 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 Firefox < 124.

CVE-2024-2612 [HIGH] CWE-416 CVE-2024-2612: If an attacker could find a way to trigger a particular code path in `SafeRefPtr`, it could have tri If an attacker could find a way to trigger a particular code path in `SafeRefPtr`, it could have triggered a crash or potentially be leveraged to achieve code execution. This vulnerability affects Firefox < 124, Firefox ESR < 115.9, and Thunderbird < 115.9.