Mozilla Firefox Esr vulnerabilities

CVE-2022-31741 [HIGH] CWE-908 CVE-2022-31741: A crafted CMS message could have been processed incorrectly, leading to an invalid memory read, and A crafted CMS message could have been processed incorrectly, leading to an invalid memory read, and potentially further memory corruption. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

CVE-2017-5378 [HIGH] CWE-200 CVE-2017-5378: Hashed codes of JavaScript objects are shared between pages. This allows for pointer leaks because a Hashed codes of JavaScript objects are shared between pages. This allows for pointer leaks because an object's address can be discovered through hash codes, and also allows for data leakage of an object's content using these hash codes. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

CVE-2016-5297 [CRITICAL] CWE-190 CVE-2016-5297: An error in argument length checking in JavaScript, leading to potential integer overflows or other An error in argument length checking in JavaScript, leading to potential integer overflows or other bounds checking issues. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.

CVE-2017-5410 [CRITICAL] CWE-119 CVE-2017-5410: Memory corruption resulting in a potentially exploitable crash during garbage collection of JavaScri Memory corruption resulting in a potentially exploitable crash during garbage collection of JavaScript due errors in how incremental sweeping is managed for memory cleanup. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

CVE-2019-9818 [HIGH] CWE-362 CVE-2019-9818: A race condition is present in the crash generation server used to generate data for the crash repor A race condition is present in the crash generation server used to generate data for the crash reporter. This issue can lead to a use-after-free in the main process, resulting in a potentially exploitable crash and a sandbox escape. *Note: this vulnerability only affects Windows. Other operating systems are unaffected.*. This vulnerability affects Thund

CVE-2015-2710 [MEDIUM] CWE-119 CVE-2015-2710: Heap-based buffer overflow in the SVGTextFrame class in Mozilla Firefox before 38.0, Firefox ESR 31. Heap-based buffer overflow in the SVGTextFrame class in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 allows remote attackers to execute arbitrary code via crafted SVG graphics data in conjunction with a crafted Cascading Style Sheets (CSS) token sequence.

CVE-2017-7757 [CRITICAL] CWE-416 CVE-2017-7757: A use-after-free vulnerability in IndexedDB when one of its objects is destroyed in memory while a m A use-after-free vulnerability in IndexedDB when one of its objects is destroyed in memory while a method on it is still being executed. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

CVE-2017-5470 [CRITICAL] CWE-119 CVE-2017-5470: Memory safety bugs were reported in Firefox 53 and Firefox ESR 52.1. Some of these bugs showed evide Memory safety bugs were reported in Firefox 53 and Firefox ESR 52.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

CVE-2019-11719 [HIGH] CWE-125 CVE-2019-11719: When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to t When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to trigger an out-of-bounds read in the Network Security Services (NSS) library. This could lead to information disclosure. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

CVE-2023-5724 [HIGH] CWE-400 CVE-2023-5724: Drivers are not always robust to extremely large draw calls and in some cases this scenario could ha Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led to a crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

CVE-2019-11694 [HIGH] CWE-755 CVE-2019-11694: A vulnerability exists in the Windows sandbox where an uninitialized value in memory can be leaked t A vulnerability exists in the Windows sandbox where an uninitialized value in memory can be leaked to a renderer from a broker when making a call to access an otherwise unavailable file. This results in the potential leaking of information stored at that memory location. *Note: this issue only occurs on Windows. Other operating systems are unaffected.

CVE-2024-0743 [HIGH] CWE-252 CVE-2024-0743: An unchecked return value in TLS handshake code could have caused a potentially exploitable crash. T An unchecked return value in TLS handshake code could have caused a potentially exploitable crash. This vulnerability affects Firefox < 122, Firefox ESR < 115.9, and Thunderbird < 115.9.

CVE-2022-36319 [HIGH] CWE-1021 CVE-2022-36319: When combining CSS properties for overflow and transform, the mouse cursor could interact with diffe When combining CSS properties for overflow and transform, the mouse cursor could interact with different coordinates than displayed. This vulnerability affects Firefox ESR < 102.1, Firefox ESR < 91.12, Firefox < 103, Thunderbird < 102.1, and Thunderbird < 91.12.

CVE-2023-4055 [HIGH] CWE-120 CVE-2023-4055: When the number of cookies per domain was exceeded in `document.cookie`, the actual cookie jar sent When the number of cookies per domain was exceeded in `document.cookie`, the actual cookie jar sent to the host was no longer consistent with expected cookie jar state. This could have caused requests to be sent with some cookies missing. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

CVE-2023-4583 [HIGH] CWE-754 CVE-2023-4583: When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

CVE-2023-4051 [HIGH] CVE-2023-4051: A website could have obscured the full screen notification by using the file open dialog. This could A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.

CVE-2024-10458 [HIGH] CWE-281 CVE-2024-10458: A permission leak could have occurred from a trusted site to an untrusted site via `embed` or `objec A permission leak could have occurred from a trusted site to an untrusted site via `embed` or `object` elements. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Firefox ESR < 115.17, Thunderbird < 128.4, and Thunderbird < 132.

CVE-2026-8968 [HIGH] Mozilla Foundation Security Advisory 2026-48: CVE-2026-8968 Mozilla Foundation Security Advisory 2026-48 CVE: CVE-2026-8968 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 140.11

CVE-2026-16354 Mozilla Foundation Security Advisory 2026-70: CVE-2026-16354 Mozilla Foundation Security Advisory 2026-70 CVE: CVE-2026-16354 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 140.13

CVE-2026-74954 Mozilla Foundation Security Advisory 2026-77: CVE-2026-74954 Mozilla Foundation Security Advisory 2026-77 CVE: CVE-2026-74954 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 153.1