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Vendor: Mozilla • 3,473 CVEs

CVEs (3,473)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Aug 18, 2011
N/A· v4
N/A· v3
9.3 HIGH· v2
The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly select the context for script to run in, which allows remo...Show more
The event-management implementation in Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and possibly other products does not properly select the context for script to run in, which allows remote attackers to bypass the Same Origin Policy or execute arbitrary JavaScript code with chrome privileges via a crafted web site.Show less
1Mozilla
2Firefox
Thunderbird
Apr 29, 2026
Aug 18, 2011
N/A· v4
N/A· v3
7.2 HIGH· v2
Untrusted search path vulnerability in the ThinkPadSensor::Startup function in Mozilla Firefox before 3.6.20, Thunderbird 3.x before 3.1.12, allows local users to gain privileges by leveraging write access in an unspecif...Show more
Untrusted search path vulnerability in the ThinkPadSensor::Startup function in Mozilla Firefox before 3.6.20, Thunderbird 3.x before 3.1.12, allows local users to gain privileges by leveraging write access in an unspecified directory to place a Trojan horse DLL that is loaded into the running Firefox process.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Aug 18, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
The appendChild function in Mozilla Firefox before 3.6.20, Thunderbird 3.x before 3.1.12, SeaMonkey 2.x, and possibly other products does not properly handle DOM objects, which allows remote attackers to execute arbitrar...Show more
The appendChild function in Mozilla Firefox before 3.6.20, Thunderbird 3.x before 3.1.12, SeaMonkey 2.x, and possibly other products does not properly handle DOM objects, which allows remote attackers to execute arbitrary code via unspecified vectors that lead to dereferencing of a "dangling pointer."Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Aug 18, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
The SVGTextElement.getCharNumAtPosition function in Mozilla Firefox before 3.6.20, and 4.x through 5; Thunderbird 3.x before 3.1.12 and other versions before 6; SeaMonkey 2.x before 2.3; and possibly other products does...Show more
The SVGTextElement.getCharNumAtPosition function in Mozilla Firefox before 3.6.20, and 4.x through 5; Thunderbird 3.x before 3.1.12 and other versions before 6; SeaMonkey 2.x before 2.3; and possibly other products does not properly handle SVG text, which allows remote attackers to execute arbitrary code via unspecified vectors that lead to a "dangling pointer."Show less
1Mozilla
1Firefox
Apr 29, 2026
Aug 9, 2011
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Mozilla Firefox before 4 cannot properly restrict modifications to cookies established in HTTPS sessions, which allows man-in-the-middle attackers to overwrite or delete arbitrary cookies via a Set-Cookie header in an HT...Show more
Mozilla Firefox before 4 cannot properly restrict modifications to cookies established in HTTPS sessions, which allows man-in-the-middle attackers to overwrite or delete arbitrary cookies via a Set-Cookie header in an HTTP response, related to lack of the HTTP Strict Transport Security (HSTS) includeSubDomains feature, aka a "cookie forcing" issue.Show less
1Mozilla
2Firefox
Thunderbird
Apr 29, 2026
Jun 30, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
CRLF injection vulnerability in the nsCookieService::SetCookieStringInternal function in netwerk/cookie/nsCookieService.cpp in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, and Thunderbird before 3.1.11, allows re...Show more
CRLF injection vulnerability in the nsCookieService::SetCookieStringInternal function in netwerk/cookie/nsCookieService.cpp in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, and Thunderbird before 3.1.11, allows remote attackers to bypass intended access restrictions via a string containing a \n (newline) character, which is not properly handled in a JavaScript "document.cookie =" expression, a different vulnerability than CVE-2011-2374.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Jun 30, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execu...Show more
Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a multipart/x-mixed-replace image.Show less
1Mozilla
2Firefox
Thunderbird
Apr 29, 2026
Jun 30, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.18 and Thunderbird before 3.1.11 allow remote attackers to cause a denial of service (memory corruption and application crash) or p...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.18 and Thunderbird before 3.1.11 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
Jun 30, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 5.0 and Thunderbird through 3.1.11 allow remote attackers to cause a denial of service (memory corruption and application crash) or pos...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 5.0 and Thunderbird through 3.1.11 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
Jun 30, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, and Thunderbird before 3.1.11, allow remote attackers to cause a denial of service (memory corruption and...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, and Thunderbird before 3.1.11, 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
Jun 30, 2011
N/A· v4
N/A· v3
7.6 HIGH· v2
Use-after-free vulnerability in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14, when JavaScript is disabled, allows remote attackers to execute arbitrary code...Show more
Use-after-free vulnerability in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14, when JavaScript is disabled, allows remote attackers to execute arbitrary code via a crafted XUL document.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Jun 30, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
Integer overflow in the Array.reduceRight method in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allows remote attackers to execute arbitrary code via vecto...Show more
Integer overflow in the Array.reduceRight method in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allows remote attackers to execute arbitrary code via vectors involving a long JavaScript Array object.Show less
1Mozilla
1Firefox
Apr 29, 2026
Jun 30, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Mozilla Firefox before 5.0 does not properly enforce the whitelist for the xpinstall functionality, which allows remote attackers to trigger an installation dialog for a (1) add-on or (2) theme via unspecified vectors.
1Mozilla
1Firefox
Apr 29, 2026
Jun 30, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Cross-site scripting (XSS) vulnerability in Mozilla Firefox 4.x through 4.0.1 allows remote attackers to inject arbitrary web script or HTML via an SVG element containing an HTML-encoded entity.
1Mozilla
1Firefox
Apr 29, 2026
Jun 30, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
The WebGL implementation in Mozilla Firefox 4.x through 4.0.1 does not properly restrict write operations, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via unsp...Show more
The WebGL implementation in Mozilla Firefox 4.x through 4.0.1 does not properly restrict write operations, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors.Show less
1Mozilla
1Firefox
Apr 29, 2026
Jun 30, 2011
N/A· v4
N/A· v3
6.4 MEDIUM· v2
The WebGL implementation in Mozilla Firefox 4.x through 4.0.1 does not properly restrict read operations, which allows remote attackers to obtain sensitive information from GPU memory associated with an arbitrary process...Show more
The WebGL implementation in Mozilla Firefox 4.x through 4.0.1 does not properly restrict read operations, which allows remote attackers to obtain sensitive information from GPU memory associated with an arbitrary process, or cause a denial of service (application crash), via unspecified vectors.Show less
1Mozilla
2Firefox
Thunderbird
Apr 29, 2026
Jun 30, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
Unspecified vulnerability in the browser engine in Mozilla Firefox 3.6.x before 3.6.18 and Thunderbird before 3.1.11 allows remote attackers to cause a denial of service (memory corruption and application crash) or possi...Show more
Unspecified vulnerability in the browser engine in Mozilla Firefox 3.6.x before 3.6.18 and Thunderbird before 3.1.11 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors, a different vulnerability than CVE-2011-2364.Show less
1Mozilla
2Firefox
Thunderbird
Apr 29, 2026
Jun 30, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
Unspecified vulnerability in the browser engine in Mozilla Firefox 3.6.x before 3.6.18 and Thunderbird before 3.1.11 allows remote attackers to cause a denial of service (memory corruption and application crash) or possi...Show more
Unspecified vulnerability in the browser engine in Mozilla Firefox 3.6.x before 3.6.18 and Thunderbird before 3.1.11 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors, a different vulnerability than CVE-2011-2365.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Jun 30, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
Use-after-free vulnerability in the nsSVGPointList::AppendElement function in the implementation of SVG element lists in Mozilla Firefox before 3.6.18, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allows remot...Show more
Use-after-free vulnerability in the nsSVGPointList::AppendElement function in the implementation of SVG element lists in Mozilla Firefox before 3.6.18, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors involving a user-supplied callback.Show less
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Jun 30, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Mozilla Firefox before 3.6.18, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 do not distinguish between cookies for two domain names that differ only in a trailing dot, which allows remote web servers to bypass...Show more
Mozilla Firefox before 3.6.18, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 do not distinguish between cookies for two domain names that differ only in a trailing dot, which allows remote web servers to bypass the Same Origin Policy via Set-Cookie headers.Show less