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Vendor: Mozilla • 3,269 CVEs

CVEs (3,269)

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CVSS
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Dec 10, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, Thunderbird before 3.0.11 and 3.1.x before 3.1.7, and SeaMonkey before 2.0.11 do not properly validate downloadable fonts before use within an operating system's fon...Show more
Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, Thunderbird before 3.0.11 and 3.1.x before 3.1.7, and SeaMonkey before 2.0.11 do not properly validate downloadable fonts before use within an operating system's font implementation, which allows remote attackers to execute arbitrary code via vectors related to @font-face Cascading Style Sheets (CSS) rules.Show less
1Mozilla
2Firefox
Seamonkey
Apr 29, 2026
Dec 10, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Integer overflow in the NewIdArray function in Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, and SeaMonkey before 2.0.11, allows remote attackers to execute arbitrary code via a JavaScript array with many elemen...Show more
Integer overflow in the NewIdArray function in Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, and SeaMonkey before 2.0.11, allows remote attackers to execute arbitrary code via a JavaScript array with many elements.Show less
1Mozilla
2Firefox
Seamonkey
Apr 29, 2026
Dec 10, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Use-after-free vulnerability in Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, and SeaMonkey before 2.0.11, allows remote attackers to execute arbitrary code via vectors involving a change to an nsDOMAttribute no...Show more
Use-after-free vulnerability in Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, and SeaMonkey before 2.0.11, allows remote attackers to execute arbitrary code via vectors involving a change to an nsDOMAttribute node.Show less
1Mozilla
1Firefox
Apr 29, 2026
Dec 9, 2010
N/A· v4
N/A· v3
10.0 HIGH· v2
The WebSockets implementation in Mozilla Firefox 4 through 4.0 Beta 7 does not properly perform proxy upgrade negotiation, which has unspecified impact and remote attack vectors, related to an "inherent problem" with the...Show more
The WebSockets implementation in Mozilla Firefox 4 through 4.0 Beta 7 does not properly perform proxy upgrade negotiation, which has unspecified impact and remote attack vectors, related to an "inherent problem" with the WebSocket specification.Show less
1Mozilla
1Firefox
Apr 29, 2026
Nov 12, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Mozilla Firefox before 3.6 Beta 3 does not properly handle overlong UTF-8 encoding, which makes it easier for remote attackers to bypass cross-site scripting (XSS) protection mechanisms via a crafted string, a different...Show more
Mozilla Firefox before 3.6 Beta 3 does not properly handle overlong UTF-8 encoding, which makes it easier for remote attackers to bypass cross-site scripting (XSS) protection mechanisms via a crafted string, a different vulnerability than CVE-2010-1210.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 22, 2026
Oct 28, 2010
N/A· v4
9.8 CRITICAL· v3
9.3 HIGH· v2
Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before 3.1.6 and 3.0.x before 3.0.10, and SeaMonkey 2.x before 2.0.10, when JavaScript is enabled, allows remote attackers to execute arbit...Show more
Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before 3.1.6 and 3.0.x before 3.0.10, and SeaMonkey 2.x before 2.0.10, when JavaScript is enabled, allows remote attackers to execute arbitrary code via vectors related to nsCSSFrameConstructor::ContentAppended, the appendChild method, incorrect index tracking, and the creation of multiple frames, which triggers memory corruption, as exploited in the wild in October 2010 by the Belmoo malware.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Oct 21, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
The LookupGetterOrSetter function in js3250.dll in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 does not properly support window.__loo...Show more
The LookupGetterOrSetter function in js3250.dll in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 does not properly support window.__lookupGetter__ function calls that lack arguments, which allows remote attackers to execute arbitrary code or cause a denial of service (incorrect pointer dereference and application crash) via vectors involving a "dangling pointer" and the JS_ValueToId function.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Oct 21, 2010
N/A· v4
N/A· v3
6.9 MEDIUM· v2
A certain application-launch script in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 on Linux places a zero-length directory name in th...Show more
A certain application-launch script in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 on Linux places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library in the current working directory.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Oct 21, 2010
N/A· v4
N/A· v3
6.9 MEDIUM· v2
Untrusted search path vulnerability in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 on Windows allows local users to gain privileges v...Show more
Untrusted search path vulnerability in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 on Windows allows local users to gain privileges via a Trojan horse DLL in the current working directory.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Oct 21, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Use-after-free vulnerability in the nsBarProp function in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 allows remote attackers to exec...Show more
Use-after-free vulnerability in the nsBarProp function in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 allows remote attackers to execute arbitrary code by accessing the locationbar property of a closed window.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Oct 21, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Stack-based buffer overflow in the text-rendering functionality in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 allows remote attacker...Show more
Stack-based buffer overflow in the text-rendering functionality in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a long argument to the document.write method.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Oct 21, 2010
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 do not properly handle certain modal calls made by javascript: URLs in circumstances rela...Show more
Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 do not properly handle certain modal calls made by javascript: URLs in circumstances related to opening a new window and performing cross-domain navigation, which allows remote attackers to bypass the Same Origin Policy via a crafted HTML document.Show less
1Mozilla
2Firefox
Seamonkey
Apr 29, 2026
Oct 21, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Multiple cross-site scripting (XSS) vulnerabilities in the Gopher parser in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, and SeaMonkey before 2.0.9, allow remote attackers to inject arbitrary web script or HTML...Show more
Multiple cross-site scripting (XSS) vulnerabilities in the Gopher parser in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, and SeaMonkey before 2.0.9, allow remote attackers to inject arbitrary web script or HTML via a crafted name of a (1) file or (2) directory on a Gopher server.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Oct 21, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 3.5.x before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 allow remote attacker...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 3.5.x before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
1Mozilla
2Firefox
Thunderbird
Apr 29, 2026
Oct 21, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 3.6.x before 3.6.11 and Thunderbird 3.1.x before 3.1.5 allow remote attackers to cause a denial of service (memory corruption and application...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 3.6.x before 3.6.11 and Thunderbird 3.1.x before 3.1.5 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Oct 21, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Unspecified vulnerability in the browser engine in Mozilla Firefox 3.5.x before 3.5.14, Thunderbird before 3.0.9, and SeaMonkey before 2.0.9 allows remote attackers to cause a denial of service (memory corruption and app...Show more
Unspecified vulnerability in the browser engine in Mozilla Firefox 3.5.x before 3.5.14, Thunderbird before 3.0.9, and SeaMonkey before 2.0.9 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Oct 21, 2010
N/A· v4
N/A· v3
7.5 HIGH· v2
The SSL implementation in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 does not properly set the minimum key length for Diffie-Hellman...Show more
The SSL implementation in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 does not properly set the minimum key length for Diffie-Hellman Ephemeral (DHE) mode, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a brute-force attack.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Oct 21, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 recognize a wildcard IP address in the subject's Common Name field of an X.509 certificat...Show more
Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 recognize a wildcard IP address in the subject's Common Name field of an X.509 certificate, which might allow man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.Show less
1Mozilla
2Firefox
Seamonkey
Apr 29, 2026
Sep 15, 2010
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The js_InitRandom function in the JavaScript implementation in Mozilla Firefox 3.5.x before 3.5.10 and 3.6.x before 3.6.4, and SeaMonkey before 2.0.5, uses the current time for seeding of a random number generator, which...Show more
The js_InitRandom function in the JavaScript implementation in Mozilla Firefox 3.5.x before 3.5.10 and 3.6.x before 3.6.4, and SeaMonkey before 2.0.5, uses the current time for seeding of a random number generator, which makes it easier for remote attackers to guess the seed value via a brute-force attack, a different vulnerability than CVE-2008-5913.Show less
1Mozilla
1Firefox
Apr 29, 2026
Sep 15, 2010
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The js_InitRandom function in the JavaScript implementation in Mozilla Firefox 3.5.10 through 3.5.11, 3.6.4 through 3.6.8, and 4.0 Beta1 uses a context pointer in conjunction with its successor pointer for seeding of a r...Show more
The js_InitRandom function in the JavaScript implementation in Mozilla Firefox 3.5.10 through 3.5.11, 3.6.4 through 3.6.8, and 4.0 Beta1 uses a context pointer in conjunction with its successor pointer for seeding of a random number generator, which makes it easier for remote attackers to guess the seed value via a brute-force attack, a different vulnerability than CVE-2010-3171.Show less