Debian Firefox-Esr vulnerabilities

CVE-2021-43538 [MEDIUM] CVE-2021-43538: firefox - By misusing a race in our notification code, an attacker could have forcefully h... By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. Scope: local sid: resolved (fixed in 95.0-1)

CVE-2019-11749 [MEDIUM] CVE-2019-11749: firefox - A vulnerability exists in WebRTC where malicious web content can use probing tec... A vulnerability exists in WebRTC where malicious web content can use probing techniques on the getUserMedia API using constraints to reveal device properties of cameras on the system without triggering a user prompt or notification. This allows for the potential fingerprinting of users. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1. Scope: local s

CVE-2023-5721 [MEDIUM] CVE-2023-5721: firefox - It was possible for certain browser prompts and dialogs to be activated or dismi... It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1. Scope: local sid: resolved (fixed in 119.0-1)

CVE-2022-22743 [MEDIUM] CVE-2022-22743: firefox - When navigating from inside an iframe while requesting fullscreen access, an att... When navigating from inside an iframe while requesting fullscreen access, an attacker-controlled tab could have made the browser unable to leave fullscreen mode. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5. Scope: local sid: resolved (fixed in 96.0-1)

CVE-2024-0742 [MEDIUM] CVE-2024-0742: firefox - It was possible for certain browser prompts and dialogs to be activated or dismi... It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an incorrect timestamp used to prevent input after page load. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7. Scope: local sid: resolved (fixed in 122.0-1)

CVE-2022-34472 [MEDIUM] CVE-2022-34472: firefox - If there was a PAC URL set and the server that hosts the PAC was not reachable, ... If there was a PAC URL set and the server that hosts the PAC was not reachable, OCSP requests would have been blocked, resulting in incorrect error pages being shown. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11. Scope: local sid: resolved (fixed in 102.0-1)

CVE-2023-4581 [MEDIUM] CVE-2023-4581: firefox - Excel `.xll` add-in files did not have a blocklist entry in Firefox's executable... Excel `.xll` add-in files did not have a blocklist entry in Firefox's executable blocklist which allowed them to be downloaded without any warning of their potential harm. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2. Scope: local sid: resolved (fixed in 117.0-1)

CVE-2025-6425 [MEDIUM] CVE-2025-6425: firefox - An attacker who enumerated resources from the WebCompat extension could have obt... An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. This vulnerability affects Firefox < 140, Firefox ESR < 115.25, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12. Scope: local sid: r

CVE-2022-3266 [MEDIUM] CVE-2022-3266: firefox - An out-of-bounds read can occur when decoding H264 video. This results in a pote... An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105. Scope: local sid: resolved (fixed in 105.0-1)

CVE-2016-1958 [MEDIUM] CVE-2016-1958: firefox - browser/base/content/browser.js in Mozilla Firefox before 45.0 and Firefox ESR 3... browser/base/content/browser.js in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to spoof the address bar via a javascript: URL. Scope: local sid: resolved (fixed in 45.0-1)

CVE-2016-5251 [MEDIUM] CVE-2016-5251: firefox - Mozilla Firefox before 48.0 allows remote attackers to spoof the location bar vi... Mozilla Firefox before 48.0 allows remote attackers to spoof the location bar via crafted characters in the media type of a data: URL. Scope: local sid: resolved (fixed in 48.0-1)

CVE-2021-43546 [MEDIUM] CVE-2021-43546: firefox - It was possible to recreate previous cursor spoofing attacks against users with ... It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. Scope: local sid: resolved (fixed in 95.0-1)

CVE-2021-23969 [MEDIUM] CVE-2021-23969: firefox - As specified in the W3C Content Security Policy draft, when creating a violation... As specified in the W3C Content Security Policy draft, when creating a violation report, "User agents need to ensure that the source file is the URL requested by the page, pre-redirects. If that’s not possible, user agents need to strip the URL down to an origin to avoid unintentional leakage." Under certain types of redirects, Firefox incorrectly set the source f

CVE-2021-23953 [MEDIUM] CVE-2021-23953: firefox - If a user clicked into a specifically crafted PDF, the PDF reader could be confu... If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7. Scope: local sid: resolved (fixed in 85.0-1)

CVE-2022-26383 [MEDIUM] CVE-2022-26383: firefox - When resizing a popup after requesting fullscreen access, the popup would not di... When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen notification. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7. Scope: local sid: resolved (fixed in 98.0-1)

CVE-2023-32212 [MEDIUM] CVE-2023-32212: firefox - An attacker could have positioned a `datalist` element to obscure the address ba... An attacker could have positioned a `datalist` element to obscure the address bar. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. Scope: local sid: resolved (fixed in 113.0-1)

CVE-2023-32205 [MEDIUM] CVE-2023-32205: firefox - In multiple cases browser prompts could have been obscured by popups controlled ... In multiple cases browser prompts could have been obscured by popups controlled by content. These could have led to potential user confusion and spoofing attacks. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. Scope: local sid: resolved (fixed in 113.0-1)

CVE-2023-29533 [MEDIUM] CVE-2023-29533: firefox - A website could have obscured the fullscreen notification by using a combination... A website could have obscured the fullscreen notification by using a combination of window.open, fullscreen requests, window.name assignments, and setInterval calls. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird

CVE-2024-4767 [MEDIUM] CVE-2024-4767: firefox - If the `browser.privatebrowsing.autostart` preference is enabled, IndexedDB file... If the `browser.privatebrowsing.autostart` preference is enabled, IndexedDB files were not properly deleted when the window was closed. This preference is disabled by default in Firefox. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11. Scope: local sid: resolved (fixed in 126.0-1)

CVE-2026-0887 [MEDIUM] CVE-2026-0887: firefox - Clickjacking issue, information disclosure in the PDF Viewer component. This vul... Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7. Scope: local sid: resolved (fixed in 147.0-1)