Mozilla Firefox vulnerabilities

CVE-2018-12359 [HIGH] CWE-119 CVE-2018-12359: A buffer overflow can occur when rendering canvas content while adjusting the height and width of th A buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52

CVE-2013-5609 [CRITICAL] CVE-2013-5609: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 26.0, Firefox E Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 26.0, Firefox ESR 24.x before 24.2, Thunderbird before 24.2, and SeaMonkey before 2.23 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

CVE-2019-9796 [CRITICAL] CWE-416 CVE-2019-9796: A use-after-free vulnerability can occur when the SMIL animation controller incorrectly registers wi A use-after-free vulnerability can occur when the SMIL animation controller incorrectly registers with the refresh driver twice when only a single registration is expected. When a registration is later freed with the removal of the animation controller element, the refresh driver incorrectly leaves a dangling pointer to the driver's observer array.

CVE-2026-92019 [HIGH] CWE-693 CVE-2026-92019: Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 1 Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

CVE-2014-1493 [CRITICAL] CWE-119 CVE-2014-1493: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 28.0, Firefox E Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

CVE-2008-4324 [MEDIUM] CWE-399 CVE-2008-4324: The user interface event dispatcher in Mozilla Firefox 3.0.3 on Windows XP SP2 allows remote attacke The user interface event dispatcher in Mozilla Firefox 3.0.3 on Windows XP SP2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a series of keypress, click, onkeydown, onkeyup, onmousedown, and onmouseup events. NOTE: it was later reported that Firefox 3.0.2 on Mac OS X 10.5 is also affected.

CVE-2019-9790 [CRITICAL] CWE-416 CVE-2019-9790: A use-after-free vulnerability can occur when a raw pointer to a DOM element on a page is obtained u A use-after-free vulnerability can occur when a raw pointer to a DOM element on a page is obtained using JavaScript and the element is then removed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

CVE-2019-9795 [CRITICAL] CWE-617 CVE-2019-9795: A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by malicious JavaScript to trigger a potentially exploitable crash. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

CVE-2015-4516 [CRITICAL] CWE-254 CVE-2015-4516: Mozilla Firefox before 41.0 allows remote attackers to bypass certain ECMAScript 5 (aka ES5) API pro Mozilla Firefox before 41.0 allows remote attackers to bypass certain ECMAScript 5 (aka ES5) API protection mechanisms and modify immutable properties, and consequently execute arbitrary JavaScript code with chrome privileges, via a crafted web page that does not use ES5 APIs.

CVE-2016-5261 [HIGH] CWE-190 CVE-2016-5261: Integer overflow in the WebSocketChannel class in the WebSockets subsystem in Mozilla Firefox before Integer overflow in the WebSocketChannel class in the WebSockets subsystem in Mozilla Firefox before 48.0 and Firefox ESR < 45.4 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted packets that trigger incorrect buffer-resize operations during buffering.

CVE-2020-12390 [CRITICAL] CWE-502 CVE-2020-12390: Incorrect origin serialization of URLs with IPv6 addresses could lead to incorrect security checks. Incorrect origin serialization of URLs with IPv6 addresses could lead to incorrect security checks. This vulnerability affects Firefox < 76.

CVE-2015-2716 [HIGH] CVE-2015-2716: Buffer overflow in the XML parser in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Buffer overflow in the XML parser in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 allows remote attackers to execute arbitrary code by providing a large amount of compressed XML data, a related issue to CVE-2015-1283.

CVE-2019-11733 [CRITICAL] CWE-287 CVE-2019-11733: When a master password is set, it is required to be entered again before stored passwords can be acc When a master password is set, it is required to be entered again before stored passwords can be accessed in the 'Saved Logins' dialog. It was found that locally stored passwords can be copied to the clipboard thorough the 'copy password' context menu item without re-entering the master password if the master password had been previously entered i

CVE-2005-4720 [MEDIUM] CVE-2005-4720: Mozilla Firefox 1.0.7 and earlier on Linux allows remote attackers to cause a denial of service (cli Mozilla Firefox 1.0.7 and earlier on Linux allows remote attackers to cause a denial of service (client crash) via an IFRAME element with a large value of the WIDTH attribute, which triggers a problem related to representation of floating-point numbers, leading to an infinite loop of widget resizes and a corresponding large number of function calls on the sta

CVE-2015-7181 [HIGH] CWE-119 CVE-2015-7181: The sec_asn1d_parse_leaf function in Mozilla Network Security Services (NSS) before 3.19.2.1 and 3.2 The sec_asn1d_parse_leaf function in Mozilla Network Security Services (NSS) before 3.19.2.1 and 3.20.x before 3.20.1, as used in Firefox before 42.0 and Firefox ESR 38.x before 38.4 and other products, improperly restricts access to an unspecified data structure, which allows remote attackers to cause a denial of service (application crash) or possibly

CVE-2012-3961 [CRITICAL] CWE-416 CVE-2012-3961: Use-after-free vulnerability in the RangeData implementation in Mozilla Firefox before 15.0, Firefox Use-after-free vulnerability in the RangeData implementation in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

CVE-2023-5173 [HIGH] CWE-190 CVE-2023-5173: In a non-standard configuration of Firefox, an integer overflow could have occurred based on network In a non-standard configuration of Firefox, an integer overflow could have occurred based on network traffic (possibly under influence of a local unprivileged webpage), leading to an out-of-bounds write to privileged process memory. *This bug only affects Firefox if a non-standard preference allowing non-HTTPS Alternate Services (`network.http.altsvc.oe

CVE-2013-5610 [CRITICAL] CWE-787 CVE-2013-5610: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 26.0 and SeaMon Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 26.0 and SeaMonkey before 2.23 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

CVE-2022-31747 [CRITICAL] CWE-125 CVE-2022-31747: Mozilla developers Andrew McCreight, Nicolas B. Pierron, and the Mozilla Fuzzing Team reported memor Mozilla developers Andrew McCreight, Nicolas B. Pierron, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 100 and Firefox ESR 91.9. 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 Thund

CVE-2023-4057 [CRITICAL] CWE-787 CVE-2023-4057: Memory safety bugs present in Firefox 115, Firefox ESR 115.0, and Thunderbird 115.0. Some of these b Memory safety bugs present in Firefox 115, Firefox ESR 115.0, and Thunderbird 115.0. 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 < 116, Firefox ESR < 115.1, and Thunderbird < 115.1.