Debian Thunderbird vulnerabilities

CVE-2020-6825 [CRITICAL] CVE-2020-6825: firefox - Mozilla developers and community members Tyson Smith and Christian Holler report... Mozilla developers and community members Tyson Smith and Christian Holler reported memory safety bugs present in Firefox 74 and Firefox ESR 68.6. 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 Thunderbird < 68.7.0, Firefox ESR <

CVE-2019-11713 [CRITICAL] CVE-2019-11713: firefox - A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream i... A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8. Scope: local sid: resolved (fixed in 68.0-1)

CVE-2025-0241 [HIGH] CVE-2025-0241: firefox - When segmenting specially crafted text, segmentation would corrupt memory leadin... When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird < 128.6. Scope: local sid: resolved (fixed in 134.0-1)

CVE-2018-12362 [HIGH] CVE-2018-12362: firefox - An integer overflow can occur during graphics operations done by the Supplementa... An integer overflow can occur during graphics operations done by the Supplemental Streaming SIMD Extensions 3 (SSSE3) scaler, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61. Scope: local sid: resolved (fixed in 61.0-1)

CVE-2024-10466 [HIGH] CVE-2024-10466: firefox - By sending a specially crafted push message, a remote server could have hung the... By sending a specially crafted push message, a remote server could have hung the parent process, causing the browser to become unresponsive. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132. Scope: local sid: resolved (fixed in 132.0-1)

CVE-2026-4686 [HIGH] CVE-2026-4686: firefox - Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerab... Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. Scope: local sid: resolved (fixed in 149.0-1)

CVE-2026-4685 [HIGH] CVE-2026-4685: firefox - Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerab... Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. Scope: local sid: resolved (fixed in 149.0-1)

CVE-2023-3417 [HIGH] CVE-2023-3417: thunderbird - Thunderbird allowed the Text Direction Override Unicode Character in filenames. ... Thunderbird allowed the Text Direction Override Unicode Character in filenames. An email attachment could be incorrectly shown as being a document file, while in fact it was an executable file. Newer versions of Thunderbird will strip the character and show the correct file extension. This vulnerability affects Thunderbird < 115.0.1 and Thunderbird < 102.13.1. Sco

CVE-2026-4704 [HIGH] CVE-2026-4704: firefox - Denial-of-service in the WebRTC: Signaling component. This vulnerability affects... Denial-of-service in the WebRTC: Signaling component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. Scope: local sid: resolved (fixed in 149.0-1)

CVE-2026-4707 [HIGH] CVE-2026-4707: firefox - Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerab... Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. Scope: local sid: resolved (fixed in 149.0-1)

CVE-2026-4684 [HIGH] CVE-2026-4684: firefox - Race condition, use-after-free in the Graphics: WebRender component. This vulner... Race condition, use-after-free in the Graphics: WebRender component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. Scope: local sid: resolved (fixed in 149.0-1)

CVE-2018-12360 [HIGH] CVE-2018-12360: firefox - A use-after-free vulnerability can occur when deleting an input element during a... A use-after-free vulnerability can occur when deleting an input element during a mutation event handler triggered by focusing that element. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61. Scope: local sid: resolved (fixed in 61.0-1)

CVE-2018-12361 [HIGH] CVE-2018-12361: firefox - An integer overflow can occur in the SwizzleData code while calculating buffer s... An integer overflow can occur in the SwizzleData code while calculating buffer sizes. The overflowed value is used for subsequent graphics computations when their inputs are not sanitized which results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Firefox ESR < 60.1, and Firefox < 61. Scope: local sid: resolved (fixed in 61.0-1)

CVE-2020-6806 [HIGH] CVE-2020-6806: firefox - By carefully crafting promise resolutions, it was possible to cause an out-of-bo... By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6. Scope: local sid: resolved (fixed in 74.0

CVE-2019-11752 [HIGH] CVE-2019-11752: firefox - It is possible to delete an IndexedDB key value and subsequently try to extract ... It is possible to delete an IndexedDB key value and subsequently try to extract it during conversion. This results in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1. Scope: local sid: resolved (fixed in 69.0-1)

CVE-2019-17012 [HIGH] CVE-2019-17012: firefox - Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox... Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. 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 Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71. Scope: local sid: resolved (fixed

CVE-2017-7846 [HIGH] CVE-2017-7846: thunderbird - It is possible to execute JavaScript in the parsed RSS feed when RSS feed is vie... It is possible to execute JavaScript in the parsed RSS feed when RSS feed is viewed as a website, e.g. via "View -> Feed article -> Website" or in the standard format of "View -> Feed article -> default format". This vulnerability affects Thunderbird < 52.5.2. Scope: local bookworm: resolved (fixed in 1:52.5.2-1) bullseye: resolved (fixed in 1:52.5.2-1) forky: res

CVE-2020-12420 [HIGH] CVE-2020-12420: firefox - When trying to connect to a STUN server, a race condition could have caused a us... When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0. Scope: local sid: resolved (fixed in 78.0-1)

CVE-2021-29980 [HIGH] CVE-2021-29980: firefox - Uninitialized memory in a canvas object could have caused an incorrect free() le... Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. Scope: local sid: resolved (fixed in 91.0-1)

CVE-2019-11757 [HIGH] CVE-2019-11757: firefox - When following the value's prototype chain, it was possible to retain a referenc... When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2. Scope: local sid: resolved (fixed in 70.0-1)