Mozilla Thunderbird vulnerabilities

CVE-2013-0762 [CRITICAL] CWE-416 CVE-2013-0762: Use-after-free vulnerability in the imgRequest::OnStopFrame function in Mozilla Firefox before 18.0, Use-after-free vulnerability in the imgRequest::OnStopFrame function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.1, Thunderbird before 17.0.2, Thunderbird ESR 10.x before 10.0.12 and 17.x before 17.0.1, and SeaMonkey before 2.15 allows remote attackers to execute arbitrary code or cause a denial of service (h

CVE-2013-0766 [CRITICAL] CWE-416 CVE-2013-0766: Use-after-free vulnerability in the ~nsHTMLEditRules implementation in Mozilla Firefox before 18.0, Use-after-free vulnerability in the ~nsHTMLEditRules implementation in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.1, Thunderbird before 17.0.2, Thunderbird ESR 10.x before 10.0.12 and 17.x before 17.0.1, and SeaMonkey before 2.15 allows remote attackers to execute arbitrary code or cause a denial of service (hea

CVE-2017-5429 [CRITICAL] CWE-119 CVE-2017-5429: Memory safety bugs were reported in Firefox 52, Firefox ESR 45.8, Firefox ESR 52, and Thunderbird 52 Memory safety bugs were reported in Firefox 52, Firefox ESR 45.8, Firefox ESR 52, and Thunderbird 52. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Fi

CVE-2016-9898 [CRITICAL] CWE-416 CVE-2016-9898: Use-after-free resulting in potentially exploitable crash when manipulating DOM subtrees in the Edit Use-after-free resulting in potentially exploitable crash when manipulating DOM subtrees in the Editor. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.

CVE-2018-12378 [CRITICAL] CWE-416 CVE-2018-12378: A use-after-free vulnerability can occur when an IndexedDB index is deleted while still in use by Ja A use-after-free vulnerability can occur when an IndexedDB index is deleted while still in use by JavaScript code that is providing payload values to be stored. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.

CVE-2018-12377 [CRITICAL] CWE-416 CVE-2018-12377: A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstan A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.

CVE-2013-0746 [CRITICAL] CVE-2013-0746: Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.2, Thunderbird bef Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 10.x before 10.0.12 and 17.x before 17.0.2, and SeaMonkey before 2.15 do not properly implement quickstubs that use the jsval data type for their return values, which allows remote attackers to execute arbitrary code or cause a den

CVE-2023-28427 [HIGH] CVE-2023-28427: matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. In versions prior to 24.0.0 events sent with special strings in key places can temporarily disrupt or impede the matrix-js-sdk from functioning properly, potentially impacting the consumer's ability to process data safely. Note that the matrix-js-sdk can appear to be operating normally but be excluding o

CVE-2017-5443 [CRITICAL] CWE-787 CVE-2017-5443: An out-of-bounds write vulnerability while decoding improperly formed BinHex format archives. This v An out-of-bounds write vulnerability while decoding improperly formed BinHex format archives. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVE-2024-1553 [HIGH] CWE-119 CVE-2024-1553: Memory safety bugs present in Firefox 122, Firefox ESR 115.7, and Thunderbird 115.7. Some of these b Memory safety bugs present in Firefox 122, Firefox ESR 115.7, and Thunderbird 115.7. 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 Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

CVE-2014-1556 [CRITICAL] CWE-94 CVE-2014-1556: Mozilla Firefox before 31.0, Firefox ESR 24.x before 24.7, and Thunderbird before 24.7 allow remote Mozilla Firefox before 31.0, Firefox ESR 24.x before 24.7, and Thunderbird before 24.7 allow remote attackers to execute arbitrary code via crafted WebGL content constructed with the Cesium JavaScript library.

CVE-2008-2798 [CRITICAL] CWE-399 CVE-2008-2798: Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.15, Thunderbird 2.0.0.14 and ea Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.15, Thunderbird 2.0.0.14 and earlier, and SeaMonkey before 1.1.10 allow remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via unknown vectors related to the layout engine.

CVE-2009-2535 [MEDIUM] CVE-2009-2535: Mozilla Firefox before 2.0.0.19 and 3.x before 3.0.5, SeaMonkey, and Thunderbird allow remote attack Mozilla Firefox before 2.0.0.19 and 3.x before 3.0.5, SeaMonkey, and Thunderbird allow remote attackers to cause a denial of service (memory consumption and application crash) via a large integer value for the length property of a Select object, a related issue to CVE-2009-1692.

CVE-2026-12292 [HIGH] CWE-119 CVE-2026-12292: Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 15 Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

CVE-2025-5269 [HIGH] CWE-787 CVE-2025-5269: Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. 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 was fixed in Firefox ESR 128.11 and Thunderbird 128.11.

CVE-2025-3034 [HIGH] CWE-787 CVE-2025-3034: Memory safety bugs present in Firefox 136 and Thunderbird 136. Some of these bugs showed evidence of Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 137 and Thunderbird 137.

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.