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Vendor: Canonical • 4,120 CVEs

CVEs (4,120)

CVE
VENDORS
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UPDATED
PUBLISHED
CVSS
2Canonical
Mozilla
3Firefox
SeamonkeyUbuntu Linux
Apr 23, 2026
Dec 17, 2008
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The layout engine in Mozilla Firefox 3.x before 3.0.5, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 allows remote attackers to cause a denial of service via vectors that trigger an assertion failure.
3Canonical
DebianMozilla
5Debian Linux
FirefoxSeamonkey+2 more
Apr 23, 2026
Dec 17, 2008
N/A· v4
N/A· v3
10.0 HIGH· v2
The layout engine in Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 allows remote attackers to cause a denial of service (crash) and possibly tr...Show more
The layout engine in Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 allows remote attackers to cause a denial of service (crash) and possibly trigger memory corruption via vectors related to (1) a reachable assertion or (2) an integer overflow.Show less
3Canonical
DebianMozilla
5Debian Linux
FirefoxSeamonkey+2 more
Apr 23, 2026
Nov 13, 2008
N/A· v4
N/A· v3
7.5 HIGH· v2
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 do not properly escape quote characters used for XML processing, which allows remote attacke...Show more
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 do not properly escape quote characters used for XML processing, which allows remote attackers to conduct XML injection attacks via the default namespace in an E4X document.Show less
3Canonical
DebianMozilla
4Debian Linux
FirefoxSeamonkey+1 more
Apr 23, 2026
Nov 13, 2008
N/A· v4
N/A· v3
7.5 HIGH· v2
Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to bypass the protection mechanism for codebase principals and execute arbitrary script via the -moz-binding...Show more
Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to bypass the protection mechanism for codebase principals and execute arbitrary script via the -moz-binding CSS property in a signed JAR file.Show less
3Canonical
DebianMozilla
5Debian Linux
FirefoxSeamonkey+2 more
Apr 23, 2026
Nov 13, 2008
N/A· v4
N/A· v3
7.5 HIGH· v2
The nsXMLHttpRequest::NotifyEventListeners method in 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 bypass the same-orig...Show more
The nsXMLHttpRequest::NotifyEventListeners method in 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 bypass the same-origin policy and execute arbitrary script via multiple listeners, which bypass the inner window check.Show less
7Canonical
DebianFedoraproject+4 more
13Debian Linux
FedoraFirefox+10 more
Apr 23, 2026
Nov 13, 2008
N/A· v4
N/A· v3
9.3 HIGH· v2
nsFrameManager in 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) and possibly execute...Show more
nsFrameManager in 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) and possibly execute arbitrary code by modifying properties of a file input element while it is still being initialized, then using the blur method to access uninitialized memory.Show less
3Canonical
DebianMozilla
3Debian Linux
FirefoxUbuntu Linux
Apr 23, 2026
Nov 13, 2008
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The session restore feature in Mozilla Firefox 3.x before 3.0.4 and 2.x before 2.0.0.18 allows remote attackers to violate the same origin policy to conduct cross-site scripting (XSS) attacks and execute arbitrary JavaSc...Show more
The session restore feature in Mozilla Firefox 3.x before 3.0.4 and 2.x before 2.0.0.18 allows remote attackers to violate the same origin policy to conduct cross-site scripting (XSS) attacks and execute arbitrary JavaScript with chrome privileges via unknown vectors.Show less
3Canonical
DebianMozilla
5Debian Linux
FirefoxSeamonkey+2 more
Apr 23, 2026
Nov 13, 2008
N/A· v4
N/A· v3
10.0 HIGH· v2
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 ve...Show more
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.Show less
3Canonical
DebianMozilla
5Debian Linux
FirefoxSeamonkey+2 more
Apr 23, 2026
Nov 13, 2008
N/A· v4
N/A· v3
10.0 HIGH· v2
Integer overflow in xpcom/io/nsEscape.cpp in the browser 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 t...Show more
Integer overflow in xpcom/io/nsEscape.cpp in the browser 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 unknown vectors.Show less
3Canonical
DebianMozilla
5Debian Linux
FirefoxSeamonkey+2 more
Apr 23, 2026
Nov 13, 2008
N/A· v4
N/A· v3
10.0 HIGH· v2
jslock.cpp in Mozilla Firefox 3.x before 3.0.2, 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) and possibly exec...Show more
jslock.cpp in Mozilla Firefox 3.x before 3.0.2, 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) and possibly execute arbitrary code by modifying the window.__proto__.__proto__ object in a way that causes a lock on a non-native object, which triggers an assertion failure related to the OBJ_IS_NATIVE function.Show less
3Canonical
DebianMozilla
4Debian Linux
FirefoxSeamonkey+1 more
Apr 23, 2026
Nov 13, 2008
N/A· v4
N/A· v3
9.3 HIGH· v2
The http-index-format MIME type parser (nsDirIndexParser) in Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 does not check for an allocation failure, which allows remote attackers...Show more
The http-index-format MIME type parser (nsDirIndexParser) in Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 does not check for an allocation failure, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an HTTP index response with a crafted 200 header, which triggers memory corruption and a buffer overflow.Show less
6Canonical
DebianFedoraproject+3 more
7Debian Linux
FedoraGnutls+4 more
Apr 23, 2026
Nov 13, 2008
N/A· v4
5.9 MEDIUM· v3
4.3 MEDIUM· v2
The _gnutls_x509_verify_certificate function in lib/x509/verify.c in libgnutls in GnuTLS before 2.6.1 trusts certificate chains in which the last certificate is an arbitrary trusted, self-signed certificate, which allows...Show more
The _gnutls_x509_verify_certificate function in lib/x509/verify.c in libgnutls in GnuTLS before 2.6.1 trusts certificate chains in which the last certificate is an arbitrary trusted, self-signed certificate, which allows man-in-the-middle attackers to insert a spoofed certificate for any Distinguished Name (DN).Show less
3Canonical
DebianLinux
3Debian Linux
Linux KernelUbuntu Linux
Apr 23, 2026
Nov 5, 2008
N/A· v4
N/A· v3
7.8 HIGH· v2
The hfsplus_block_allocate function in fs/hfsplus/bitmap.c in the Linux kernel before 2.6.28-rc1 does not check a certain return value from the read_mapping_page function before calling kmap, which allows attackers to ca...Show more
The hfsplus_block_allocate function in fs/hfsplus/bitmap.c in the Linux kernel before 2.6.28-rc1 does not check a certain return value from the read_mapping_page function before calling kmap, which allows attackers to cause a denial of service (system crash) via a crafted hfsplus filesystem image.Show less
3Canonical
DebianMozilla
4Debian Linux
FirefoxSeamonkey+1 more
Apr 23, 2026
Oct 15, 2008
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Mozilla Firefox 3.0.1 through 3.0.3, Firefox 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13, when running on Windows, do not properly identify the context of Windows .url shortcut files, which allows user-assisted...Show more
Mozilla Firefox 3.0.1 through 3.0.3, Firefox 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13, when running on Windows, do not properly identify the context of Windows .url shortcut files, which allows user-assisted remote attackers to bypass the Same Origin Policy and obtain sensitive information via an HTML document that is directly accessible through a filesystem, as demonstrated by documents in (1) local folders, (2) Windows share folders, and (3) RAR archives, and as demonstrated by IFRAMEs referencing shortcuts that point to (a) about:cache?device=memory and (b) about:cache?device=disk, a variant of CVE-2008-2810.Show less
4Canonical
DovecotFedoraproject+1 more
4Dovecot
FedoraOpensuse+1 more
Apr 23, 2026
Oct 15, 2008
N/A· v4
7.5 HIGH· v3
6.4 MEDIUM· v2
The ACL plugin in Dovecot before 1.1.4 treats negative access rights as if they are positive access rights, which allows attackers to bypass intended access restrictions.
3Canonical
DebianMozilla
5Debian Linux
FirefoxSeamonkey+2 more
Apr 23, 2026
Sep 24, 2008
N/A· v4
N/A· v3
7.8 HIGH· v2
Directory traversal vulnerability in Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12 allows remote attackers to bypass "restrictions imposed on local HTML fi...Show more
Directory traversal vulnerability in Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12 allows remote attackers to bypass "restrictions imposed on local HTML files," and obtain sensitive information and prompt users to write this information into a file, via directory traversal sequences in a resource: URI.Show less
3Canonical
DebianMozilla
5Debian Linux
FirefoxSeamonkey+2 more
Apr 23, 2026
Sep 24, 2008
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Directory traversal vulnerability in Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12 on Linux allows remote attackers to read arbitrary files via a .. (dot d...Show more
Directory traversal vulnerability in Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12 on Linux allows remote attackers to read arbitrary files via a .. (dot dot) and URL-encoded / (slash) characters in a resource: URI.Show less
3Canonical
DebianMozilla
5Debian Linux
FirefoxSeamonkey+2 more
Apr 23, 2026
Sep 24, 2008
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12 allow remote attackers to bypass cross-site scripting (XSS) protection mechanisms and conduct XSS attacks via...Show more
Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12 allow remote attackers to bypass cross-site scripting (XSS) protection mechanisms and conduct XSS attacks via byte order mark (BOM) characters that are removed from JavaScript code before execution, aka "Stripped BOM characters bug."Show less
2Canonical
Mozilla
2Firefox
Ubuntu Linux
Apr 23, 2026
Sep 24, 2008
N/A· v4
N/A· v3
9.3 HIGH· v2
Multiple unspecified vulnerabilities in Mozilla Firefox 3.x before 3.0.2 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors relate...Show more
Multiple unspecified vulnerabilities in Mozilla Firefox 3.x before 3.0.2 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to the layout engine and (1) a zero value of the "this" variable in the nsContentList::Item function; (2) interaction of the indic IME extension, a Hindi language selection, and the "g" character; and (3) interaction of the nsFrameList::SortByContentOrder function with a certain insufficient protection of inline frames.Show less
3Canonical
DebianMozilla
5Debian Linux
FirefoxSeamonkey+2 more
Apr 23, 2026
Sep 24, 2008
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12 allow remote attackers to cause a denial of service (memory corruptio...Show more
Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to the JavaScript engine and (1) misinterpretation of the characteristics of Namespace and QName in jsxml.c, (2) misuse of signed integers in the nsEscapeCount function in nsEscape.cpp, and (3) interaction of JavaScript garbage collection with certain use of an NPObject in the nsNPObjWrapper::GetNewOrUsed function in nsJSNPRuntime.cpp.Show less