Debian Firefox vulnerabilities

CVE-2022-45416 [MEDIUM] CVE-2022-45416: firefox - Keyboard events reference strings like "KeyA" that were at fixed, known, and wid... Keyboard events reference strings like "KeyA" that were at fixed, known, and widely-spread addresses. Cache-based timing attacks such as Prime+Probe could have possibly figured out which keys were being pressed. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107. Scope: local sid: resolved (fixed in 107.0-1)

CVE-2022-46880 [MEDIUM] CVE-2022-46880: firefox - A missing check related to tex units could have led to a use-after-free and pote... A missing check related to tex units could have led to a use-after-free and potentially exploitable crash.*Note*: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 105. This vulnerability affects Firefox ESR < 102.6, Firefox < 105, and Thunderbird < 102.6. Scop

CVE-2023-6872 [MEDIUM] CVE-2023-6872: firefox - Browser tab titles were being leaked by GNOME to system logs. This could potenti... Browser tab titles were being leaked by GNOME to system logs. This could potentially expose the browsing habits of users running in a private tab. This vulnerability affects Firefox < 121. Scope: local sid: resolved (fixed in 121.0-1)

CVE-2022-22745 [MEDIUM] CVE-2022-22745: firefox - Securitypolicyviolation events could have leaked cross-origin information for fr... Securitypolicyviolation events could have leaked cross-origin information for frame-ancestors violations. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5. Scope: local sid: resolved (fixed in 96.0-1)

CVE-2022-29914 [MEDIUM] CVE-2022-29914: firefox - When reusing existing popups Firefox would have allowed them to cover the fullsc... When reusing existing popups Firefox would have allowed them to cover the fullscreen notification UI, which could have enabled browser spoofing attacks. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100. Scope: local sid: resolved (fixed in 100.0-1)

CVE-2022-31742 [MEDIUM] CVE-2022-31742: firefox - An attacker could have exploited a timing attack by sending a large number of al... An attacker could have exploited a timing attack by sending a large number of allowCredential entries and detecting the difference between invalid key handles and cross-origin key handles. This could have led to cross-origin account linking in violation of WebAuthn goals. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10. Scope

CVE-2022-31738 [MEDIUM] CVE-2022-31738: firefox - When exiting fullscreen mode, an iframe could have confused the browser about th... When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10. Scope: local sid: resolved (fixed in 101.0-1)

CVE-2023-6869 [MEDIUM] CVE-2023-6869: firefox - A `&lt;dialog>` element could have been manipulated to paint content outside of ... A ` ` element could have been manipulated to paint content outside of a sandboxed iframe. This could allow untrusted content to display under the guise of trusted content. This vulnerability affects Firefox < 121. Scope: local sid: resolved (fixed in 121.0-1)

CVE-2023-4580 [MEDIUM] CVE-2023-4580: firefox - Push notifications stored on disk in private browsing mode were not being encryp... Push notifications stored on disk in private browsing mode were not being encrypted potentially allowing the leak of sensitive information. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2. Scope: local sid: resolved (fixed in 117.0-1)

CVE-2025-8033 [MEDIUM] CVE-2025-8033: firefox - The JavaScript engine did not handle closed generators correctly and it was poss... The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulnerability affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1. Scope: local sid: resolved (fixed in 141.0-1)

CVE-2025-8027 [MEDIUM] CVE-2025-8027: firefox - On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value ... On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1. Scope: local sid: resolved (fixed in 141.0-1)

CVE-2023-29549 [MEDIUM] CVE-2023-29549: firefox - Under certain circumstances, a call to the <code>bind</code> function may have r... Under certain circumstances, a call to the bind function may have resulted in the incorrect realm. This may have created a vulnerability relating to JavaScript-implemented sandboxes such as SES. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112. Scope: local sid: resolved (fixed in 112.0-1)

CVE-2025-9183 [MEDIUM] CVE-2025-9183: firefox - Spoofing issue in the Address Bar component. This vulnerability affects Firefox ... Spoofing issue in the Address Bar component. This vulnerability affects Firefox < 142 and Firefox ESR < 140.2. Scope: local sid: resolved (fixed in 142.0-1)

CVE-2022-22757 [MEDIUM] CVE-2022-22757: firefox - Remote Agent, used in WebDriver, did not validate the Host or Origin headers. Th... Remote Agent, used in WebDriver, did not validate the Host or Origin headers. This could have allowed websites to connect back locally to the user's browser to control it. *This bug only affected Firefox when WebDriver was enabled, which is not the default configuration.*. This vulnerability affects Firefox < 97. Scope: local sid: resolved (fixed in 97.0-1)

CVE-2025-11718 [MEDIUM] CVE-2025-11718: firefox - When the address bar was hidden due to scrolling on Android, a malicious page co... When the address bar was hidden due to scrolling on Android, a malicious page could create a fake address bar to fool the user in response to a visibilitychange event This vulnerability affects Firefox < 144. Scope: local sid: resolved (fixed in 144.0-1)

CVE-2017-5384 [MEDIUM] CVE-2017-5384: firefox - Proxy Auto-Config (PAC) files can specify a JavaScript function called for all U... Proxy Auto-Config (PAC) files can specify a JavaScript function called for all URL requests with the full URL path which exposes more information than would be sent to the proxy itself in the case of HTTPS. Normally the Proxy Auto-Config file is specified by the user or machine owner and presumed to be non-malicious, but if a user has enabled Web Proxy Auto Detect (

CVE-2024-2610 [MEDIUM] CVE-2024-2610: firefox - Using a markup injection an attacker could have stolen nonce values. This could ... Using a markup injection an attacker could have stolen nonce values. This could have been used to bypass strict content security policies. This vulnerability affects Firefox < 124, Firefox ESR < 115.9, and Thunderbird < 115.9. Scope: local sid: resolved (fixed in 124.0-1)

CVE-2024-9397 [MEDIUM] CVE-2024-9397: firefox - A missing delay in directory upload UI could have made it possible for an attack... A missing delay in directory upload UI could have made it possible for an attacker to trick a user into granting permission via clickjacking. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131. Scope: local sid: resolved (fixed in 131.0-1)

CVE-2024-3859 [MEDIUM] CVE-2024-3859: firefox - On 32-bit versions there were integer-overflows that led to an out-of-bounds-rea... On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10. Scope: local sid: resolved (fixed in 125.0.1-1)

CVE-2025-0237 [MEDIUM] CVE-2025-0237: firefox - The WebChannel API, which is used to transport various information across proces... The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege escalation attacks. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird < 128.6. Scope: local sid: resolved (fixed in 134.