Debian Firefox vulnerabilities

CVE-2017-5472 [CRITICAL] CVE-2017-5472: firefox - A use-after-free vulnerability with the frameloader during tree reconstruction w... A use-after-free vulnerability with the frameloader during tree reconstruction while regenerating CSS layout when attempting to use a node in the tree that no longer exists. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2. Scope: local sid: resolved (fixed in 54.0-1)

CVE-2019-11709 [CRITICAL] CVE-2019-11709: firefox - Mozilla developers and community members reported memory safety bugs present in ... Mozilla developers and community members reported memory safety bugs present in Firefox 67 and Firefox ESR 60.7. 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 Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8. Scope: loc

CVE-2006-1728 [CRITICAL] CVE-2006-1728: firefox - Unspecified vulnerability in Mozilla Firefox and Thunderbird 1.x before 1.5.0.2 ... Unspecified vulnerability in 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 unknown vectors related to the crypto.generateCRMFRequest method. Scope: local sid: resolved (fixed in 1.5.dfsg+1.5.0.2-1)

CVE-2025-13017 [HIGH] CVE-2025-13017: firefox - Same-origin policy bypass in the DOM: Notifications component. This vulnerabilit... Same-origin policy bypass in the DOM: Notifications component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5. Scope: local sid: resolved (fixed in 145.0-1)

CVE-2025-13019 [HIGH] CVE-2025-13019: firefox - Same-origin policy bypass in the DOM: Workers component. This vulnerability affe... Same-origin policy bypass in the DOM: Workers component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5. Scope: local sid: resolved (fixed in 145.0-1)

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-2018-5128 [CRITICAL] CVE-2018-5128: firefox - A use-after-free vulnerability can occur when manipulating elements, events, and... A use-after-free vulnerability can occur when manipulating elements, events, and selection ranges during editor operations. This results in a potentially exploitable crash. This vulnerability affects Firefox < 59. Scope: local sid: resolved (fixed in 59.0-1)

CVE-2018-5092 [CRITICAL] CVE-2018-5092: firefox - A use-after-free vulnerability can occur when the thread for a Web Worker is fre... A use-after-free vulnerability can occur when the thread for a Web Worker is freed from memory prematurely instead of from memory in the main thread while cancelling fetch operations. This vulnerability affects Firefox < 58. Scope: local sid: resolved (fixed in 58.0-1)

CVE-2025-59375 [HIGH] CVE-2025-59375: expat - libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory ... libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing. Scope: local bookworm: open bullseye: open forky: resolved (fixed in 2.7.2-1) sid: resolved (fixed in 2.7.2-1) trixie: open

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-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-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)