Debian Firefox 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-2025-14322 [HIGH] CVE-2025-14322: firefox - Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL... Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6. Scope: local sid: resolved (fixed in 146.0-1)

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-2023-5731 [CRITICAL] CVE-2023-5731: firefox - Memory safety bugs present in Firefox 118. Some of these bugs showed evidence of... Memory safety bugs present in Firefox 118. 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 < 119. Scope: local sid: resolved (fixed in 119.0-1)

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-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-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-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-2025-14327 [HIGH] CVE-2025-14327: firefox - Spoofing issue in the Downloads Panel component. This vulnerability affects Fire... Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146, Thunderbird < 146, Firefox ESR < 140.7, and Thunderbird < 140.7. Scope: local sid: resolved (fixed in 146.0-1)

CVE-2006-0748 [CRITICAL] CVE-2006-0748: firefox - Mozilla Firefox and Thunderbird 1.x before 1.5.0.2 and 1.0.x before 1.0.8, Mozil... Mozilla Firefox and Thunderbird 1.x before 1.5.0.2 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0.1 allows remote attackers to execute arbitrary code via "an invalid and non-sensical ordering of table-related tags" that results in a negative array index. Scope: local sid: resolved (fixed in 1.5.dfsg+1.5.0.2-1)

CVE-2016-1974 [HIGH] CVE-2016-1974: firefox - The nsScannerString::AppendUnicodeTo function in Mozilla Firefox before 45.0 and... The nsScannerString::AppendUnicodeTo function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not verify that memory allocation succeeds, which allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via crafted Unicode data in an HTML, XML, or SVG document. Scope: local sid: resolved (fixed in 45.0-1)

CVE-2025-13012 [HIGH] CVE-2025-13012: firefox - Race condition in the Graphics component. This vulnerability affects Firefox < 1... Race condition in the Graphics component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Firefox ESR < 115.30, Thunderbird < 145, and Thunderbird < 140.5. Scope: local sid: resolved (fixed in 145.0-1)

CVE-2024-4778 [CRITICAL] CVE-2024-4778: firefox - Memory safety bugs present in Firefox 125. Some of these bugs showed evidence of... Memory safety bugs present in Firefox 125. 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 < 126. Scope: local sid: resolved (fixed in 126.0-1)

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-2020-12419 [HIGH] CVE-2020-12419: firefox - When processing callbacks that occurred during window flushing in the parent pro... When processing callbacks that occurred during window flushing in the parent process, the associated window may die; causing a use-after-free condition. This could have led 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-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-2017-7752 [HIGH] CVE-2017-7752: firefox - A use-after-free vulnerability during specific user interactions with the input ... A use-after-free vulnerability during specific user interactions with the input method editor (IME) in some languages due to how events are handled. This results in a potentially exploitable crash but would require specific user interaction to trigger. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2. Scope: local sid: resolved (fixe