Mozilla Firefox vulnerabilities

CVE-2008-5018 [CRITICAL] CWE-399 CVE-2008-5018: The JavaScript engine in Mozilla Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, Thunderbird The JavaScript engine in Mozilla Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) via vectors related to "insufficient class checking" in the Date class.

CVE-2024-8897 [MEDIUM] CWE-601 CVE-2024-8897: Under certain conditions, an attacker with the ability to redirect users to a malicious site via an Under certain conditions, an attacker with the ability to redirect users to a malicious site via an open redirect on a trusted site, may be able to spoof the address bar contents. This can lead to a malicious site to appear to have the same URL as the trusted site. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* T

CVE-2026-0885 [MEDIUM] CWE-416 CVE-2026-0885: Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 147, Firefox Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

CVE-2015-4513 [HIGH] CWE-119 CVE-2015-4513: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 42.0 and Firefo Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

CVE-2025-3608 [MEDIUM] CWE-362 CVE-2025-3608: A race condition existed in nsHttpTransaction that could have been exploited to cause memory corrupt A race condition existed in nsHttpTransaction that could have been exploited to cause memory corruption, potentially leading to an exploitable condition. This vulnerability was fixed in Firefox 137.0.2.

CVE-2011-3661 [HIGH] CWE-399 CVE-2011-3661: YARR, as used in Mozilla Firefox 4.x through 8.0, Thunderbird 5.0 through 8.0, and SeaMonkey before YARR, as used in Mozilla Firefox 4.x through 8.0, Thunderbird 5.0 through 8.0, and SeaMonkey before 2.6, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted JavaScript.

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-2026-12302 [MEDIUM] CWE-693 CVE-2026-12302: Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firef Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

CVE-2025-4088 [MEDIUM] CWE-352 CVE-2025-4088: A security vulnerability in Thunderbird allowed malicious sites to use redirects to send credentiale A security vulnerability in Thunderbird allowed malicious sites to use redirects to send credentialed requests to arbitrary endpoints on any site that had invoked the Storage Access API. This enabled potential Cross-Site Request Forgery attacks across origins. This vulnerability was fixed in Firefox 138 and Thunderbird 138.

CVE-2006-1733 [MEDIUM] CWE-264 CVE-2006-1733: Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 does not properly protect the compilation scope of privileged built-in XBL bindings, which allows remote attackers to execute arbitrary code via the (1) valueOf.call or (2) valueOf.apply methods of an XBL binding, or (3) "by inse

CVE-2012-0461 [HIGH] CVE-2012-0461: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.28 and 4.x Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 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 exe

CVE-2015-7198 [HIGH] CWE-119 CVE-2015-7198: Buffer overflow in the rx::TextureStorage11 class in ANGLE, as used in Mozilla Firefox before 42.0 a Buffer overflow in the rx::TextureStorage11 class in ANGLE, as used in Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4, allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via crafted texture data.

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-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-2008-2806 [HIGH] CWE-20 CVE-2008-2806: Mozilla Firefox before 2.0.0.15 and SeaMonkey before 1.1.10 on Mac OS X allow remote attackers to by Mozilla Firefox before 2.0.0.15 and SeaMonkey before 1.1.10 on Mac OS X allow remote attackers to bypass the Same Origin Policy and create arbitrary socket connections via a crafted Java applet, related to the Java Embedding Plugin (JEP) and Java LiveConnect.

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-2009-3979 [CRITICAL] CVE-2009-3979: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.0.16 and 3.5. Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, SeaMonkey before 2.0.1, and Thunderbird allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

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-2010-1203 [CRITICAL] CVE-2010-1203: The JavaScript engine in Mozilla Firefox 3.6.x before 3.6.4 allow remote attackers to cause a denial The JavaScript engine in Mozilla Firefox 3.6.x before 3.6.4 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors that trigger an assertion failure in jstracer.cpp.

CVE-2009-3980 [CRITICAL] CWE-399 CVE-2009-3980: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 3.5.x before 3.5.6, Se Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 3.5.x before 3.5.6, SeaMonkey before 2.0.1, and Thunderbird allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.