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firefox

Vendor: Mozilla • 3,269 CVEs

CVEs (3,269)

CVE
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PUBLISHED
CVSS
1Mozilla
1Firefox
May 6, 2026
Jun 11, 2014
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 30.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code v...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 30.0 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
Firefox Esr
May 6, 2026
Jun 11, 2014
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 30.0, Firefox ESR 24.x before 24.6, and Thunderbird before 24.6 allow remote attackers to cause a denial of service (memory corruption...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 30.0, Firefox ESR 24.x before 24.6, and Thunderbird before 24.6 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
7Canonical
DebianFedoraproject+4 more
15Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+12 more
May 6, 2026
Apr 30, 2014
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
Use-after-free vulnerability in the nsHostResolver::ConditionallyRefreshRecord function in libxul.so in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows...Show more
Use-after-free vulnerability in the nsHostResolver::ConditionallyRefreshRecord function in libxul.so in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors related to host resolution.Show less
7Canonical
DebianFedoraproject+4 more
15Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+12 more
May 6, 2026
Apr 30, 2014
N/A· v4
8.8 HIGH· v3
9.3 HIGH· v2
Use-after-free vulnerability in the nsGenericHTMLElement::GetWidthHeightForImage function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote att...Show more
Use-after-free vulnerability in the nsGenericHTMLElement::GetWidthHeightForImage function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving an imgLoader object that is not properly handled during an image-resize operation.Show less
7Canonical
DebianFedoraproject+4 more
15Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+12 more
May 6, 2026
Apr 30, 2014
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
The docshell implementation in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to trigger the loading of a URL with a spoofed baseURI...Show more
The docshell implementation in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to trigger the loading of a URL with a spoofed baseURI property, and conduct cross-site scripting (XSS) attacks, via a crafted web site that performs history navigation.Show less
7Canonical
DebianFedoraproject+4 more
15Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+12 more
May 6, 2026
Apr 30, 2014
N/A· v4
8.8 HIGH· v3
9.3 HIGH· v2
The Web Notification API in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to bypass intended source-component restrictions and execu...Show more
The Web Notification API in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to bypass intended source-component restrictions and execute arbitrary JavaScript code in a privileged context via a crafted web page for which Notification.permission is granted.Show less
6Canonical
FedoraprojectMozilla+3 more
7Fedora
FirefoxOpensuse+4 more
May 6, 2026
Apr 30, 2014
N/A· v4
N/A· v3
10.0 HIGH· v2
The sse2_composite_src_x888_8888 function in Pixman, as used in Cairo in Mozilla Firefox 28.0 and SeaMonkey 2.25 on Windows, allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds w...Show more
The sse2_composite_src_x888_8888 function in Pixman, as used in Cairo in Mozilla Firefox 28.0 and SeaMonkey 2.25 on Windows, allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds write and application crash) by painting on a CANVAS element.Show less
3Fedoraproject
MozillaOracle
3Fedora
FirefoxSolaris
May 6, 2026
Apr 30, 2014
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Mozilla Firefox before 29.0 on Android allows remote attackers to spoof the address bar via crafted JavaScript code that uses DOM events to prevent the reemergence of the actual address bar after scrolling has taken it o...Show more
Mozilla Firefox before 29.0 on Android allows remote attackers to spoof the address bar via crafted JavaScript code that uses DOM events to prevent the reemergence of the actual address bar after scrolling has taken it off of the screen.Show less
4Canonical
FedoraprojectMozilla+1 more
5Fedora
FirefoxOpensuse+2 more
May 6, 2026
Apr 30, 2014
N/A· v4
N/A· v3
6.8 MEDIUM· v2
The XrayWrapper implementation in Mozilla Firefox before 29.0 and SeaMonkey before 2.26 allows user-assisted remote attackers to bypass intended access restrictions via a crafted web site that is visited in the debugger,...Show more
The XrayWrapper implementation in Mozilla Firefox before 29.0 and SeaMonkey before 2.26 allows user-assisted remote attackers to bypass intended access restrictions via a crafted web site that is visited in the debugger, leading to unwrapping operations and calls to DOM methods on the unwrapped objects.Show less
4Canonical
FedoraprojectMozilla+1 more
5Fedora
FirefoxOpensuse+2 more
May 6, 2026
Apr 30, 2014
N/A· v4
N/A· v3
9.3 HIGH· v2
The mozilla::dom::TextTrack::AddCue function in Mozilla Firefox before 29.0 and SeaMonkey before 2.26 does not properly perform garbage collection for Text Track Manager variables, which allows remote attackers to execut...Show more
The mozilla::dom::TextTrack::AddCue function in Mozilla Firefox before 29.0 and SeaMonkey before 2.26 does not properly perform garbage collection for Text Track Manager variables, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and heap memory corruption) via a crafted VIDEO element in an HTML document.Show less
7Canonical
DebianFedoraproject+4 more
15Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+12 more
May 6, 2026
Apr 30, 2014
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
The nsXBLProtoImpl::InstallImplementation function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 does not properly check whether objects are XBL objects,...Show more
The nsXBLProtoImpl::InstallImplementation function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 does not properly check whether objects are XBL objects, which allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via crafted JavaScript code that accesses a non-XBL object as if it were an XBL object.Show less
7Canonical
DebianFedoraproject+4 more
15Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+12 more
May 6, 2026
Apr 30, 2014
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
Heap-based buffer overflow in the read_u32 function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to cause a denial of service (o...Show more
Heap-based buffer overflow in the read_u32 function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted JPEG image.Show less
4Canonical
FedoraprojectMozilla+1 more
5Fedora
FirefoxOpensuse+2 more
May 6, 2026
Apr 30, 2014
N/A· v4
N/A· v3
9.3 HIGH· v2
The mozilla::dom::OscillatorNodeEngine::ComputeCustom function in the Web Audio subsystem in Mozilla Firefox before 29.0 and SeaMonkey before 2.26 allows remote attackers to execute arbitrary code or cause a denial of se...Show more
The mozilla::dom::OscillatorNodeEngine::ComputeCustom function in the Web Audio subsystem in Mozilla Firefox before 29.0 and SeaMonkey before 2.26 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read, memory corruption, and application crash) via crafted content.Show less
2Fedoraproject
Mozilla
2Fedora
Firefox
May 6, 2026
Apr 30, 2014
N/A· v4
N/A· v3
6.9 MEDIUM· v2
maintenservice_installer.exe in the Maintenance Service Installer in Mozilla Firefox before 29.0 and Firefox ESR 24.x before 24.5 on Windows allows local users to gain privileges by placing a Trojan horse DLL file into a...Show more
maintenservice_installer.exe in the Maintenance Service Installer in Mozilla Firefox before 29.0 and Firefox ESR 24.x before 24.5 on Windows allows local users to gain privileges by placing a Trojan horse DLL file into a temporary directory at an unspecified point in the update process.Show less
4Canonical
FedoraprojectMozilla+1 more
5Fedora
FirefoxOpensuse+2 more
May 6, 2026
Apr 30, 2014
N/A· v4
N/A· v3
9.3 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 29.0 and SeaMonkey before 2.26 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibl...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 29.0 and SeaMonkey before 2.26 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
7Canonical
DebianFedoraproject+4 more
15Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+12 more
May 6, 2026
Apr 30, 2014
N/A· v4
8.8 HIGH· v3
9.3 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allow remote attackers to cause a denial of serv...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 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
1Firefox
May 6, 2026
Mar 29, 2014
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The saltProfileName function in base/GeckoProfileDirectories.java in Mozilla Firefox through 28.0.1 on Android relies on Android's weak approach to seeding the Math.random function, which makes it easier for attackers to...Show more
The saltProfileName function in base/GeckoProfileDirectories.java in Mozilla Firefox through 28.0.1 on Android relies on Android's weak approach to seeding the Math.random function, which makes it easier for attackers to bypass a profile-randomization protection mechanism via a crafted application.Show less
1Mozilla
1Firefox
May 6, 2026
Mar 25, 2014
N/A· v4
N/A· v3
1.9 LOW· v2
Mozilla Firefox before 28.0.1 on Android processes a file: URL by copying a local file onto the SD card, which allows attackers to obtain sensitive information from the Firefox profile directory via a crafted application...Show more
Mozilla Firefox before 28.0.1 on Android processes a file: URL by copying a local file onto the SD card, which allows attackers to obtain sensitive information from the Firefox profile directory via a crafted application.Show less
6Canonical
DebianMozilla+3 more
16Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+13 more
May 6, 2026
Mar 19, 2014
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
vmtypedarrayobject.cpp in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 does not validate the length of the destination array before a copy operation, which...Show more
vmtypedarrayobject.cpp in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 does not validate the length of the destination array before a copy operation, which allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds write and application crash) by triggering incorrect use of the TypedArrayObject class.Show less
6Canonical
DebianMozilla+3 more
16Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+13 more
May 6, 2026
Mar 19, 2014
N/A· v4
8.8 HIGH· v3
9.3 HIGH· v2
TypedArrayObject.cpp in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 does not prevent a zero-length transition during use of an ArrayBuffer object, which a...Show more
TypedArrayObject.cpp in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 does not prevent a zero-length transition during use of an ArrayBuffer object, which allows remote attackers to execute arbitrary code or cause a denial of service (heap-based out-of-bounds write or read) via a crafted web site.Show less