Mozilla Firefox vulnerabilities

CVE-2017-5459 [CRITICAL] CWE-119 CVE-2017-5459: A buffer overflow in WebGL triggerable by web content, resulting in a potentially exploitable crash. A buffer overflow in WebGL triggerable by web content, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVE-2026-92034 [CRITICAL] CWE-346 CVE-2026-92034: Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 156 and Thun Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.

CVE-2025-11717 [CRITICAL] CWE-200 CVE-2025-11717: When switching between Android apps using the card carousel Firefox shows a black screen as its card When switching between Android apps using the card carousel Firefox shows a black screen as its card image when a password-related screen was the last one being used. Prior to Firefox 144 the password edit screen was visible. This vulnerability was fixed in Firefox 144.

CVE-2023-6207 [HIGH] CWE-416 CVE-2023-6207: Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Fi Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

CVE-2023-4582 [HIGH] CWE-120 CVE-2023-4582: Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could h Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occurred when allocating too much private shader memory on mac OS. *This bug only affects Firefox on macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

CVE-2024-0750 [HIGH] CWE-451 CVE-2024-0750: A bug in popup notifications delay calculation could have made it possible for an attacker to trick A bug in popup notifications delay calculation could have made it possible for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

CVE-2023-4584 [HIGH] CWE-787 CVE-2023-4584: Memory safety bugs present in Firefox 116, Firefox ESR 102.14, Firefox ESR 115.1, Thunderbird 102.14 Memory safety bugs present in Firefox 116, Firefox ESR 102.14, Firefox ESR 115.1, Thunderbird 102.14, and Thunderbird 115.1. 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 < 117, Firefox ESR < 102.15, Firefox

CVE-2023-29541 [HIGH] CWE-116 CVE-2023-29541: Firefox did not properly handle downloads of files ending in <code>.desktop</code>, which can be int Firefox did not properly handle downloads of files ending in .desktop, which can be interpreted to run attacker-controlled commands. *This bug only affects Firefox for Linux on certain Distributions. Other operating systems are unaffected, and Mozilla is unable to enumerate all affected Linux Distributions.*. This vulnerability affects Firefox < 112,

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-2024-11699 [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-2024-7520 [HIGH] CWE-843 CVE-2024-7520: A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code ex A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1.

CVE-2010-1209 [CRITICAL] CWE-399 CVE-2010-1209: Use-after-free vulnerability in the NodeIterator implementation in Mozilla Firefox 3.5.x before 3.5. Use-after-free vulnerability in the NodeIterator implementation in Mozilla Firefox 3.5.x before 3.5.11 and 3.6.x before 3.6.7, and SeaMonkey before 2.0.6, allows remote attackers to execute arbitrary code via a crafted NodeFilter that detaches DOM nodes, related to the NodeIterator interface and a javascript callback.

CVE-2024-0751 [HIGH] CWE-269 CVE-2024-0751: A malicious devtools extension could have been used to escalate privileges. This vulnerability affec A malicious devtools extension could have been used to escalate privileges. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

CVE-2024-10467 [HIGH] CWE-787 CVE-2024-10467: Memory safety bugs present in Firefox 131, Firefox ESR 128.3, and Thunderbird 128.3. Some of these b Memory safety bugs present in Firefox 131, Firefox ESR 128.3, and Thunderbird 128.3. 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 < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132.

CVE-2024-7521 [HIGH] CWE-755 CVE-2024-7521: Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affe Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.

CVE-2013-0782 [CRITICAL] CWE-787 CVE-2013-0782: Heap-based buffer overflow in the nsSaveAsCharset::DoCharsetConversion function in Mozilla Firefox b Heap-based buffer overflow in the nsSaveAsCharset::DoCharsetConversion function in Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 allows remote attackers to execute arbitrary code via unspecified vectors.

CVE-2024-7527 [HIGH] CWE-416 CVE-2024-7527: Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerabil Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.

CVE-2013-0760 [CRITICAL] CWE-120 CVE-2013-0760: Buffer overflow in the CharDistributionAnalysis::HandleOneChar function in Mozilla Firefox before 18 Buffer overflow in the CharDistributionAnalysis::HandleOneChar function in Mozilla Firefox before 18.0, Thunderbird before 17.0.2, and SeaMonkey before 2.15 allows remote attackers to execute arbitrary code via a crafted document.

CVE-2026-74946 [HIGH] CWE-119 CVE-2026-74946: Information disclosure due to incorrect boundary conditions in the Graphics: CanvasWebGL component. Information disclosure due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

CVE-2026-6750 [HIGH] CWE-269 CVE-2026-6750: Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 1 Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.