Mozilla Firefox Esr vulnerabilities

CVE-2019-11729 [HIGH] CWE-119 CVE-2019-11729: Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperl Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized before being copied into memory and used. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

CVE-2021-23981 [HIGH] CWE-787 CVE-2021-23981: A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buf A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.

CVE-2020-15657 [HIGH] CWE-427 CVE-2020-15657: Firefox could be made to load attacker-supplied DLL files from the installation directory. This requ Firefox could be made to load attacker-supplied DLL files from the installation directory. This required an attacker that is already capable of placing files in the installation directory. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, an

CVE-2024-0741 [MEDIUM] CWE-787 CVE-2024-0741: An out of bounds write in ANGLE could have allowed an attacker to corrupt memory leading to a potent An out of bounds write in ANGLE could have allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

CVE-2023-5388 [MEDIUM] CWE-203 CVE-2023-5388: NSS was susceptible to a timing side-channel attack when performing RSA decryption. This attack coul NSS was susceptible to a timing side-channel attack when performing RSA decryption. This attack could potentially allow an attacker to recover the private data. This vulnerability affects Firefox < 124, Firefox ESR < 115.9, and Thunderbird < 115.9.

CVE-2012-0459 [HIGH] CWE-264 CVE-2012-0459: The Cascading Style Sheets (CSS) implementation in Mozilla Firefox 4.x through 10.0, Firefox ESR 10. The Cascading Style Sheets (CSS) implementation in Mozilla Firefox 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via dynamic modification of a keyframe

CVE-2026-12302 [MEDIUM] Mozilla Foundation Security Advisory 2026-58: CVE-2026-12302 Mozilla Foundation Security Advisory 2026-58 CVE: CVE-2026-12302 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 140.12

CVE-2012-0462 [HIGH] CVE-2012-0462: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 10.0, Fire Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vec

CVE-2015-2734 [CRITICAL] CWE-17 CVE-2015-2734: The CairoTextureClientD3D9::BorrowDrawTarget function in the Direct3D 9 implementation in Mozilla Fi The CairoTextureClientD3D9::BorrowDrawTarget function in the Direct3D 9 implementation in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 reads data from uninitialized memory locations, which has unspecified impact and attack vectors.

CVE-2015-2738 [CRITICAL] CWE-17 CVE-2015-2738: The YCbCrImageDataDeserializer::ToDataSourceSurface function in the YCbCr implementation in Mozilla The YCbCrImageDataDeserializer::ToDataSourceSurface function in the YCbCr implementation in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 reads data from uninitialized memory locations, which has unspecified impact and attack vectors.

CVE-2017-5449 [HIGH] CWE-20 CVE-2017-5449: A possibly exploitable crash triggered during layout and manipulation of bidirectional unicode text A possibly exploitable crash triggered during layout and manipulation of bidirectional unicode text in concert with CSS animations. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

CVE-2017-5467 [HIGH] CWE-119 CVE-2017-5467: A potential memory corruption and crash when using Skia content when drawing content outside of the A potential memory corruption and crash when using Skia content when drawing content outside of the bounds of a clipping region. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

CVE-2017-7755 [HIGH] CWE-426 CVE-2017-7755: The Firefox installer on Windows can be made to load malicious DLL files stored in the same director The Firefox installer on Windows can be made to load malicious DLL files stored in the same directory as the installer when it is run. This allows privileged execution if the installer is run with elevated privileges. Note: This attack only affects Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 54

CVE-2024-7531 [MEDIUM] CWE-367 CVE-2024-7531: Calling `PK11_Encrypt()` in NSS using CKM_CHACHA20 and the same buffer for input and output can resu Calling `PK11_Encrypt()` in NSS using CKM_CHACHA20 and the same buffer for input and output can result in plaintext on an Intel Sandy Bridge processor. In Firefox this only affects the QUIC header protection feature when the connection is using the ChaCha20-Poly1305 cipher suite. The most likely outcome is connection failure, but if the connection per

CVE-2026-12309 [MEDIUM] Mozilla Foundation Security Advisory 2026-58: CVE-2026-12309 Mozilla Foundation Security Advisory 2026-58 CVE: CVE-2026-12309 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 140.12

CVE-2026-6764 [MEDIUM] Mozilla Foundation Security Advisory 2026-32: CVE-2026-6764 Mozilla Foundation Security Advisory 2026-32 CVE: CVE-2026-6764 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 140.10

CVE-2015-2739 [CRITICAL] CWE-119 CVE-2015-2739: The ArrayBufferBuilder::append function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 The ArrayBufferBuilder::append function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 accesses unintended memory locations, which has unspecified impact and attack vectors.

CVE-2015-2737 [CRITICAL] CWE-17 CVE-2015-2737: The rx::d3d11::SetBufferData function in the Direct3D 11 implementation in Mozilla Firefox before 39 The rx::d3d11::SetBufferData function in the Direct3D 11 implementation in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 reads data from uninitialized memory locations, which has unspecified impact and attack vectors.

CVE-2015-0831 [MEDIUM] CVE-2015-0831: Use-after-free vulnerability in the mozilla::dom::IndexedDB::IDBObjectStore::CreateIndex function in Use-after-free vulnerability in the mozilla::dom::IndexedDB::IDBObjectStore::CreateIndex function in Mozilla Firefox before 36.0, Firefox ESR 31.x before 31.5, and Thunderbird before 31.5 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via crafted content that is improperly handled during IndexedDB index

CVE-2015-2713 [MEDIUM] CVE-2015-2713: Use-after-free vulnerability in the SetBreaks function in Mozilla Firefox before 38.0, Firefox ESR 3 Use-after-free vulnerability in the SetBreaks function 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 or cause a denial of service (heap memory corruption) via a document containing crafted text in conjunction with a Cascading Style Sheets (CSS) token sequence contain