Mozilla Firefox Esr vulnerabilities

CVE-2022-45404 [MEDIUM] CWE-451 CVE-2022-45404: Through a series of popup and <code>window.print()</code> calls, an attacker can cause a window to g Through a series of popup and window.print() calls, an attacker can cause a window to go fullscreen without the user seeing the notification prompt, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

CVE-2023-1945 [MEDIUM] CWE-787 CVE-2023-1945: Unexpected data returned from the Safe Browsing API could have led to memory corruption and a potent Unexpected data returned from the Safe Browsing API could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 102.10 and Firefox ESR < 102.10.

CVE-2023-25738 [MEDIUM] CWE-125 CVE-2023-25738: Members of the <code>DEVMODEW</code> struct set by the printer device driver weren't being validated Members of the DEVMODEW struct set by the printer device driver weren't being validated and could have resulted in invalid values which in turn would cause the browser to attempt out of bounds access to related variables.*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 110, Thu

CVE-2022-31742 [MEDIUM] CWE-203 CVE-2022-31742: An attacker could have exploited a timing attack by sending a large number of allowCredential entrie 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

CVE-2023-4580 [MEDIUM] CWE-311 CVE-2023-4580: Push notifications stored on disk in private browsing mode were not being encrypted potentially allo 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.

CVE-2026-109775 [MEDIUM] Mozilla Foundation Security Advisory 2026-108: CVE-2026-109775 Mozilla Foundation Security Advisory 2026-108 CVE: CVE-2026-109775 Product: Firefox ESR Impact: low Fixed in: Firefox ESR 153.5

CVE-2026-109781 [MEDIUM] Mozilla Foundation Security Advisory 2026-108: CVE-2026-109781 Mozilla Foundation Security Advisory 2026-108 CVE: CVE-2026-109781 Product: Firefox ESR Impact: low Fixed in: Firefox ESR 153.5

CVE-2026-100826 [MEDIUM] Mozilla Foundation Security Advisory 2026-100: CVE-2026-100826 Mozilla Foundation Security Advisory 2026-100 CVE: CVE-2026-100826 Product: Firefox ESR Impact: low Fixed in: Firefox ESR 153.4

CVE-2024-2610 [MEDIUM] CWE-94 CVE-2024-2610: Using a markup injection an attacker could have stolen nonce values. This could have been used to by 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.

CVE-2024-9397 [MEDIUM] CWE-1021 CVE-2024-9397: A missing delay in directory upload UI could have made it possible for an attacker to trick a user i 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.

CVE-2024-3859 [MEDIUM] CWE-125 CVE-2024-3859: On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially c 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.

CVE-2021-43545 [MEDIUM] CWE-834 CVE-2021-43545: Using the Location API in a loop could have caused severe application hangs and crashes. This vulner Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVE-2018-18494 [MEDIUM] CWE-346 CVE-2018-18494: A same-origin policy violation allowing the theft of cross-origin URL entries when using the Javascr A same-origin policy violation allowing the theft of cross-origin URL entries when using the Javascript location property to cause a redirection to another site using performance.getEntries(). This is a same-origin policy violation and could allow for data theft. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.

CVE-2019-11736 [HIGH] CWE-362 CVE-2019-11736: The Mozilla Maintenance Service does not guard against files being hardlinked to another file in the The Mozilla Maintenance Service does not guard against files being hardlinked to another file in the updates directory, allowing for the replacement of local files, including the Maintenance Service executable, which is run with privileged access. Additionally, there was a race condition during checks for junctions and symbolic links by the Maintenanc

CVE-2021-29945 [MEDIUM] CWE-682 CVE-2021-29945: The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read an The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffected.*. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

CVE-2019-11747 [MEDIUM] CWE-665 CVE-2019-11747: The "Forget about this site" feature in the History pane is intended to remove all saved user data t The "Forget about this site" feature in the History pane is intended to remove all saved user data that indicates a user has visited a site. This includes removing any HTTP Strict Transport Security (HSTS) settings received from sites that use it. Due to a bug, sites on the pre-load list also have their HSTS setting removed. On the next visit to tha

CVE-2019-11748 [MEDIUM] CWE-281 CVE-2019-11748: WebRTC in Firefox will honor persisted permissions given to sites for access to microphone and camer WebRTC in Firefox will honor persisted permissions given to sites for access to microphone and camera resources even when in a third-party context. In light of recent high profile vulnerabilities in other software, a decision was made to no longer persist these permissions. This avoids the possibility of trusted WebRTC resources being invisibly embe

CVE-2023-6205 [MEDIUM] CWE-416 CVE-2023-6205: It was possible to cause the use of a MessagePort after it had already been freed, which could poten It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

CVE-2016-9074 [MEDIUM] CWE-200 CVE-2016-9074: An existing mitigation of timing side-channel attacks is insufficient in some circumstances. This is An existing mitigation of timing side-channel attacks is insufficient in some circumstances. This issue is addressed in Network Security Services (NSS) 3.26.1. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.

CVE-2022-22742 [MEDIUM] CWE-125 CVE-2022-22742: When inserting text while in edit mode, some characters might have lead to out-of-bounds memory acce When inserting text while in edit mode, some characters might have lead to out-of-bounds memory access causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.