Mozilla Firefox Esr vulnerabilities

CVE-2022-22760 [MEDIUM] CWE-209 CVE-2022-22760: When importing resources using Web Workers, error messages would distinguish the difference between When importing resources using Web Workers, error messages would distinguish the difference between application/javascript responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

CVE-2023-32206 [MEDIUM] CWE-125 CVE-2023-32206: An out-of-bound read could have led to a crash in the RLBox Expat driver. This vulnerability affects An out-of-bound read could have led to a crash in the RLBox Expat driver. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.

CVE-2023-25742 [MEDIUM] CVE-2023-25742: When importing a SPKI RSA public key as ECDSA P-256, the key would be handled incorrectly causing th When importing a SPKI RSA public key as ECDSA P-256, the key would be handled incorrectly causing the tab to crash. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

CVE-2022-22747 [MEDIUM] CWE-295 CVE-2022-22747: After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificat After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash. This crash is believed to be unexploitable. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

CVE-2020-26978 [MEDIUM] CVE-2020-26978: Using techniques that built on the slipstream research, a malicious webpage could have exposed both Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

CVE-2024-1551 [MEDIUM] CWE-565 CVE-2024-1551: Set-Cookie response headers were being incorrectly honored in multipart HTTP responses. If an attack Set-Cookie response headers were being incorrectly honored in multipart HTTP responses. If an attacker could control the Content-Type response header, as well as control part of the response body, they could inject Set-Cookie response headers that would have been honored by the browser. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, an

CVE-2023-6867 [MEDIUM] CWE-1021 CVE-2023-6867: The timing of a button click causing a popup to disappear was approximately the same length as the a The timing of a button click causing a popup to disappear was approximately the same length as the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121.

CVE-2024-2609 [MEDIUM] CWE-356 CVE-2024-2609: The permission prompt input delay could expire while the window is not in focus. This makes it vulne The permission prompt input delay could expire while the window is not in focus. This makes it vulnerable to clickjacking by malicious websites. This vulnerability affects Firefox < 124, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVE-2024-1550 [MEDIUM] CWE-1021 CVE-2024-1550: A malicious website could have used a combination of exiting fullscreen mode and `requestPointerLock A malicious website could have used a combination of exiting fullscreen mode and `requestPointerLock` to cause the user's mouse to be re-positioned unexpectedly, which could have led to user confusion and inadvertently granting permissions they did not intend to grant. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 1

CVE-2024-4769 [MEDIUM] CWE-351 CVE-2024-4769: When importing resources using Web Workers, error messages would distinguish the difference between When importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

CVE-2020-6812 [MEDIUM] CWE-200 CVE-2020-6812: The first time AirPods are connected to an iPhone, they become named after the user's name by defaul The first time AirPods are connected to an iPhone, they become named after the user's name by default (e.g. Jane Doe's AirPods.) Websites with camera or microphone permission are able to enumerate device names, disclosing the user's name. To resolve this issue, Firefox added a special case that renames devices containing the substring 'AirPods' to sim

CVE-2026-84118 [MEDIUM] Mozilla Foundation Security Advisory 2026-85: CVE-2026-84118 Mozilla Foundation Security Advisory 2026-85 CVE: CVE-2026-84118 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 153.2

CVE-2026-84125 [MEDIUM] Mozilla Foundation Security Advisory 2026-85: CVE-2026-84125 Mozilla Foundation Security Advisory 2026-85 CVE: CVE-2026-84125 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 153.2

CVE-2024-10460 [MEDIUM] CWE-346 CVE-2024-10460: The origin of an external protocol handler prompt could have been obscured using a data: URL within The origin of an external protocol handler prompt could have been obscured using a data: URL within an `iframe`. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132.

CVE-2026-12329 [MEDIUM] Mozilla Foundation Security Advisory 2026-58: CVE-2026-12329 Mozilla Foundation Security Advisory 2026-58 CVE: CVE-2026-12329 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 140.12

CVE-2026-12308 [MEDIUM] Mozilla Foundation Security Advisory 2026-58: CVE-2026-12308 Mozilla Foundation Security Advisory 2026-58 CVE: CVE-2026-12308 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 140.12

CVE-2026-12306 [MEDIUM] Mozilla Foundation Security Advisory 2026-58: CVE-2026-12306 Mozilla Foundation Security Advisory 2026-58 CVE: CVE-2026-12306 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 140.12

CVE-2026-12307 [MEDIUM] Mozilla Foundation Security Advisory 2026-58: CVE-2026-12307 Mozilla Foundation Security Advisory 2026-58 CVE: CVE-2026-12307 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 140.12

CVE-2026-6767 [MEDIUM] Mozilla Foundation Security Advisory 2026-32: CVE-2026-6767 Mozilla Foundation Security Advisory 2026-32 CVE: CVE-2026-6767 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 140.10

CVE-2026-6765 [MEDIUM] Mozilla Foundation Security Advisory 2026-32: CVE-2026-6765 Mozilla Foundation Security Advisory 2026-32 CVE: CVE-2026-6765 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 140.10