Mozilla Thunderbird vulnerabilities

CVE-2025-0240 [MEDIUM] CWE-416 CVE-2025-0240: Parsing a JavaScript module as JSON could, under some circumstances, cause cross-compartment access, Parsing a JavaScript module as JSON could, under some circumstances, cause cross-compartment access, which may result in a use-after-free. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.

CVE-2025-0243 [MEDIUM] CWE-787 CVE-2025-0243: Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5 Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. 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 was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderb

CVE-2025-0242 [MEDIUM] CWE-787 CVE-2025-0242: Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, T Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. 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 was fixed in Firefox 134, Firefox

CVE-2025-0238 [MEDIUM] CWE-416 CVE-2025-0238: Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, lead Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Firefox ESR 115.19, Thunderbird 134, and Thunderbird 128.6.

CVE-2025-0237 [MEDIUM] CWE-863 CVE-2025-0237: The WebChannel API, which is used to transport various information across processes, did not check t The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege escalation attacks. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.

CVE-2024-43097 [HIGH] CVE-2024-43097: In resizeToAtLeast of SkRegion In resizeToAtLeast of SkRegion.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVE-2024-11704 [CRITICAL] CWE-415 CVE-2024-11704: A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an erro A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133, Thunderbird < 133, Firefox ESR < 128.7, and Thunderbird < 128.7.

CVE-2024-11705 [CRITICAL] CWE-476 CVE-2024-11705: `NSC_DeriveKey` inadvertently assumed that the `phKey` parameter is always non-NULL. When it was pas `NSC_DeriveKey` inadvertently assumed that the `phKey` parameter is always non-NULL. When it was passed as NULL, a segmentation fault (SEGV) occurred, leading to crashes. This behavior conflicted with the PKCS#11 v3.0 specification, which allows `phKey` to be NULL for certain mechanisms. This vulnerability affects Firefox < 133 and Thunderbird < 1

CVE-2024-11698 [CRITICAL] CVE-2024-11698: A flaw in handling fullscreen transitions may have inadvertently caused the application to become st A flaw in handling fullscreen transitions may have inadvertently caused the application to become stuck in fullscreen mode when a modal dialog was opened during the transition. This issue left users unable to exit fullscreen mode using standard actions like pressing "Esc" or accessing right-click menus, resulting in a disrupted browsing experience until t

CVE-2024-11693 [CRITICAL] CVE-2024-11693: The executable file warning was not presented when downloading .library-ms files. *Note: This issu The executable file warning was not presented when downloading .library-ms files. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.

CVE-2024-11691 [HIGH] CWE-787 CVE-2024-11691: Certain WebGL operations on Apple silicon M series devices could have lead to an out-of-bounds write Certain WebGL operations on Apple silicon M series devices could have lead to an out-of-bounds write and memory corruption due to a flaw in Apple's GPU driver. *This bug only affected the application on Apple M series hardware. Other platforms were unaffected.* This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Firefox ESR < 115.18, Thunde

CVE-2024-11697 [HIGH] CWE-94 CVE-2024-11697: When handling keypress events, an attacker may have been able to trick a user into bypassing the "Op When handling keypress events, an attacker may have been able to trick a user into bypassing the "Open Executable File?" confirmation dialog. This could have led to malicious code execution. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.

CVE-2024-11699 [HIGH] CWE-94 CVE-2024-11699: Memory safety bugs present in Firefox 132, Firefox ESR 128.4, and Thunderbird 128.4. Some of these b Memory safety bugs present in Firefox 132, Firefox ESR 128.4, and Thunderbird 128.4. 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 < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.

CVE-2024-11700 [HIGH] CWE-1021 CVE-2024-11700: Malicious websites may have been able to perform user intent confirmation through tapjacking. This c Malicious websites may have been able to perform user intent confirmation through tapjacking. This could have led to users unknowingly approving the launch of external applications, potentially exposing them to underlying vulnerabilities. This vulnerability affects Firefox < 133 and Thunderbird < 133.

CVE-2024-11702 [HIGH] CWE-838 CVE-2024-11702: Copying sensitive information from Private Browsing tabs on Android, such as passwords, may have ina Copying sensitive information from Private Browsing tabs on Android, such as passwords, may have inadvertently stored data in the cloud-based clipboard history if enabled. This vulnerability affects Firefox < 133 and Thunderbird < 133.

CVE-2024-11695 [MEDIUM] CWE-1021 CVE-2024-11695: A crafted URL containing Arabic script and whitespace characters could have hidden the true origin o A crafted URL containing Arabic script and whitespace characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.

CVE-2024-11696 [MEDIUM] CWE-347 CVE-2024-11696: The application failed to account for exceptions thrown by the `loadManifestFromFile` method during The application failed to account for exceptions thrown by the `loadManifestFromFile` method during add-on signature verification. This flaw, triggered by an invalid or unsupported extension manifest, could have caused runtime errors that disrupted the signature validation process. As a result, the enforcement of signature validation for unrelated ad

CVE-2024-11692 [MEDIUM] CWE-290 CVE-2024-11692: An attacker could cause a select dropdown to be shown over another tab; this could have led to user An attacker could cause a select dropdown to be shown over another tab; this could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.

CVE-2024-11694 [MEDIUM] CWE-79 CVE-2024-11694: Enhanced Tracking Protection's Strict mode may have inadvertently allowed a CSP `frame-src` bypass a Enhanced Tracking Protection's Strict mode may have inadvertently allowed a CSP `frame-src` bypass and DOM-based XSS through the Google SafeFrame shim in the Web Compatibility extension. This issue could have exposed users to malicious frames masquerading as legitimate content. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Firefox ES

CVE-2024-11701 [MEDIUM] CWE-290 CVE-2024-11701: The incorrect domain may have been displayed in the address bar during an interrupted navigation att The incorrect domain may have been displayed in the address bar during an interrupted navigation attempt. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 133 and Thunderbird < 133.