Debian Firefox vulnerabilities

CVE-2023-4585 [HIGH] CVE-2023-4585: firefox - Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 11... Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1. 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 < 117, Firefox ESR < 115.2, and Thunderbird < 115.2. Scope: local sid: resolved (fixed in 11

CVE-2023-37201 [HIGH] CVE-2023-37201: firefox - An attacker could have triggered a use-after-free condition when creating a WebR... An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13. Scope: local sid: resolved (fixed in 115.0-1)

CVE-2023-37211 [HIGH] CVE-2023-37211: firefox - Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 1... Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. 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 < 115, Firefox ESR < 102.13, and Thunderbird < 102.13. Scope: local sid: resolved (fixed

CVE-2024-0755 [HIGH] CVE-2024-0755: firefox - Memory safety bugs present in Firefox 121, Firefox ESR 115.6, and Thunderbird 11... Memory safety bugs present in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6. 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 Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7. Scope: local sid: resolved (fixed in 12

CVE-2023-25729 [HIGH] CVE-2023-25729: firefox - Permission prompts for opening external schemes were only shown for <code>Conten... Permission prompts for opening external schemes were only shown for ContentPrincipals resulting in extensions being able to open them without user interaction via ExpandedPrincipals. This could lead to further malicious actions such as downloading files or interacting with software already installed on the system. This vulnerability affects Firefox < 110, Thunderbir

CVE-2026-0880 [HIGH] CVE-2026-0880: firefox - Sandbox escape due to integer overflow in the Graphics component. This vulnerabi... Sandbox escape due to integer overflow in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7. Scope: local sid: resolved (fixed in 147.0-1)

CVE-2023-3600 [HIGH] CVE-2023-3600: firefox - During the worker lifecycle, a use-after-free condition could have occurred, whi... During the worker lifecycle, a use-after-free condition could have occurred, which could have led to a potentially exploitable crash. This vulnerability affects Firefox < 115.0.2, Firefox ESR < 115.0.2, and Thunderbird < 115.0.1. Scope: local sid: resolved (fixed in 115.0.2-1)

CVE-2024-6607 [HIGH] CVE-2024-6607: firefox - It was possible to prevent a user from exiting pointerlock when pressing escape ... It was possible to prevent a user from exiting pointerlock when pressing escape and to overlay customValidity notifications from a ` ` element over certain permission prompts. This could be used to confuse a user into giving a site unintended permissions. This vulnerability affects Firefox < 128 and Thunderbird < 128. Scope: local sid: resolved (fixed in 128.0-1)

CVE-2024-4777 [HIGH] CVE-2024-4777: firefox - Memory safety bugs present in Firefox 125, Firefox ESR 115.10, and Thunderbird 1... Memory safety bugs present in Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10. 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, Firefox ESR < 115.11, and Thunderbird < 115.11. Scope: local sid: resolved (fixed i

CVE-2024-7528 [HIGH] CVE-2024-7528: firefox - Incorrect garbage collection interaction in IndexedDB could have led to a use-af... Incorrect garbage collection interaction in IndexedDB could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1. Scope: local sid: resolved (fixed in 129.0-1)

CVE-2025-1010 [HIGH] CVE-2025-1010: firefox - An attacker could have caused a use-after-free via the Custom Highlight API, lea... An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135. Scope: local sid: resolved (fixed in 135.0-1)

CVE-2016-5270 [CRITICAL] CVE-2016-5270: firefox - Heap-based buffer overflow in the nsCaseTransformTextRunFactory::TransformString... Heap-based buffer overflow in the nsCaseTransformTextRunFactory::TransformString function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to cause a denial of service (boolean out-of-bounds write) or possibly have unspecified other impact via Unicode characters that are mishandled during text conversion.

CVE-2026-5733 [HIGH] CVE-2026-5733: firefox - Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerabil... Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability affects Firefox < 149.0.2 and Thunderbird < 149.0.2. Scope: local sid: resolved (fixed in 149.0.2-1)

CVE-2026-4690 [HIGH] CVE-2026-4690: firefox - Sandbox escape due to incorrect boundary conditions, integer overflow in the XPC... Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM 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-2018-5156 [CRITICAL] CVE-2018-5156: firefox - A vulnerability can occur when capturing a media stream when the media source ty... A vulnerability can occur when capturing a media stream when the media source type is changed as the capture is occurring. This can result in stream data being cast to the wrong type causing a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61. Scope: local sid: resolved (fixed in 61

CVE-2026-24869 [HIGH] CVE-2026-24869: firefox - Use-after-free in the Layout: Scrolling and Overflow component. This vulnerabili... Use-after-free in the Layout: Scrolling and Overflow component. This vulnerability affects Firefox < 147.0.2. Scope: local sid: resolved (fixed in 147.0.2-1)

CVE-2017-5438 [CRITICAL] CVE-2017-5438: firefox - A use-after-free vulnerability during XSLT processing due to the result handler ... A use-after-free vulnerability during XSLT processing due to the result handler being held by a freed handler during handling. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53. Scope: local sid: resolved (fixed in 52.0.1-1)

CVE-2026-4687 [HIGH] CVE-2026-4687: firefox - Sandbox escape due to incorrect boundary conditions in the Telemetry component. ... Sandbox escape due to incorrect boundary conditions in the Telemetry 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-2018-5094 [HIGH] CVE-2018-5094: firefox - A heap buffer overflow vulnerability may occur in WebAssembly when "shrinkElemen... A heap buffer overflow vulnerability may occur in WebAssembly when "shrinkElements" is called followed by garbage collection on memory that is now uninitialized. This results in a potentially exploitable crash. This vulnerability affects Firefox < 58. Scope: local sid: resolved (fixed in 58.0-1)

CVE-2018-12392 [CRITICAL] CVE-2018-12392: firefox - When manipulating user events in nested loops while opening a document through s... When manipulating user events in nested loops while opening a document through script, it is possible to trigger a potentially exploitable crash due to poor event handling. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3. Scope: local sid: resolved (fixed in 63.0-1)