← Back

Firefox

firefox

Vendor: Mozilla • 3,473 CVEs

CVEs (3,473)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
3Canonical
MozillaOpensuse
3Firefox
OpensuseUbuntu Linux
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
9.3 HIGH· v2
Integer overflow in the stagefright::SampleTable::isValid function in libstagefright in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code via crafted MPEG-4 vi...Show more
Integer overflow in the stagefright::SampleTable::isValid function in libstagefright in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code via crafted MPEG-4 video data with H.264 encoding.Show less
3Canonical
MozillaOpensuse
3Firefox
OpensuseUbuntu Linux
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple integer overflows in libstagefright in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allow remote attackers to execute arbitrary code via a crafted saio chunk in MPEG-4 video data.
3Canonical
MozillaOpensuse
3Firefox
OpensuseUbuntu Linux
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 do not impose certain ECMAScript 6 requirements on JavaScript object properties, which allows remote attackers to bypass the Same Origin Policy via the reviver...Show more
Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 do not impose certain ECMAScript 6 requirements on JavaScript object properties, which allows remote attackers to bypass the Same Origin Policy via the reviver parameter to the JSON.parse method.Show less
3Canonical
MozillaOpensuse
3Firefox
OpensuseUbuntu Linux
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
Use-after-free vulnerability in the MediaStream playback feature in Mozilla Firefox before 40.0 allows remote attackers to execute arbitrary code via unspecified use of the Web Audio API.
3Canonical
MozillaOpensuse
3Firefox
OpensuseUbuntu Linux
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
7.5 HIGH· v2
The mozilla::AudioSink function in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 mishandles inconsistent sample formats within MP3 audio data, which allows remote attackers to execute arbitrary code or cau...Show more
The mozilla::AudioSink function in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 mishandles inconsistent sample formats within MP3 audio data, which allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via a malformed file.Show less
3Canonical
MozillaOpensuse
3Firefox
OpensuseUbuntu Linux
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 40.0 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 40.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
4Canonical
DebianMozilla+1 more
4Debian Linux
FirefoxOpensuse+1 more
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allow remote attackers to cause a denial of service (memory corruption and application crash) or...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
6Canonical
MozillaOpensuse+3 more
15Enterprise Linux Desktop
Enterprise Linux EusEnterprise Linux Server+12 more
Apr 22, 2026
Aug 8, 2015
N/A· v4
8.8 HIGH· v3
4.3 MEDIUM· v2
The PDF reader in Mozilla Firefox before 39.0.3, Firefox ESR 38.x before 38.1.1, and Firefox OS before 2.2 allows remote attackers to bypass the Same Origin Policy, and read arbitrary files or gain privileges, via vector...Show more
The PDF reader in Mozilla Firefox before 39.0.3, Firefox ESR 38.x before 38.1.1, and Firefox OS before 2.2 allows remote attackers to bypass the Same Origin Policy, and read arbitrary files or gain privileges, via vectors involving crafted JavaScript code and a native setter, as exploited in the wild in August 2015.Show less
3Mozilla
NovellOracle
6Firefox
Firefox EsrSolaris+3 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
7.5 HIGH· v2
PDF.js in Mozilla Firefox before 39.0 and Firefox ESR 31.x before 31.8 and 38.x before 38.1 enables excessive privileges for internal Workers, which might allow remote attackers to execute arbitrary code by leveraging a...Show more
PDF.js in Mozilla Firefox before 39.0 and Firefox ESR 31.x before 31.8 and 38.x before 38.1 enables excessive privileges for internal Workers, which might allow remote attackers to execute arbitrary code by leveraging a Same Origin Policy bypass.Show less
2Mozilla
Oracle
2Firefox
Solaris
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Mozilla Firefox before 39.0 on OS X includes native key press information during the logging of crashes, which allows remote attackers to obtain sensitive information by leveraging access to a crash-reporting data stream...Show more
Mozilla Firefox before 39.0 on OS X includes native key press information during the logging of crashes, which allows remote attackers to obtain sensitive information by leveraging access to a crash-reporting data stream.Show less
2Mozilla
Oracle
3Firefox
Firefox EsrSolaris
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 do not enforce key pinning upon encountering an X.509 certificate problem that generates a user dialog, which allows user-assisted ma...Show more
Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 do not enforce key pinning upon encountering an X.509 certificate problem that generates a user dialog, which allows user-assisted man-in-the-middle attackers to bypass intended access restrictions by triggering a (1) expired certificate or (2) mismatched hostname for a domain with pinning enabled.Show less
5Canonical
DebianMozilla+2 more
9Debian Linux
FirefoxFirefox Esr+6 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
Buffer overflow in the nsXMLHttpRequest::AppendToResponseText function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 might allow remote attackers to cause...Show more
Buffer overflow in the nsXMLHttpRequest::AppendToResponseText function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 might allow remote attackers to cause a denial of service or have unspecified other impact via unknown vectors.Show less
5Canonical
DebianMozilla+2 more
9Debian Linux
FirefoxFirefox Esr+6 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
The ArrayBufferBuilder::append function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 accesses unintended memory locations, which has unspecified impact an...Show more
The ArrayBufferBuilder::append function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 accesses unintended memory locations, which has unspecified impact and attack vectors.Show less
5Canonical
DebianMozilla+2 more
10Debian Linux
FirefoxFirefox Esr+7 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
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 unin...Show more
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.Show less
5Canonical
DebianMozilla+2 more
10Debian Linux
FirefoxFirefox Esr+7 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
The rx::d3d11::SetBufferData function in the Direct3D 11 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...Show more
The rx::d3d11::SetBufferData function in the Direct3D 11 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.Show less
5Canonical
DebianMozilla+2 more
9Debian Linux
FirefoxFirefox Esr+6 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
9.3 HIGH· v2
The nsZipArchive::BuildFileList function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 accesses unintended memory locations, which allows remote attackers...Show more
The nsZipArchive::BuildFileList function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 accesses unintended memory locations, which allows remote attackers to have an unspecified impact via a crafted ZIP archive.Show less
5Canonical
DebianMozilla+2 more
9Debian Linux
FirefoxFirefox Esr+6 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
9.3 HIGH· v2
nsZipArchive.cpp in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 accesses unintended memory locations, which allows remote attackers to have an unspecified i...Show more
nsZipArchive.cpp in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 accesses unintended memory locations, which allows remote attackers to have an unspecified impact via a crafted ZIP archive.Show less
5Canonical
DebianMozilla+2 more
10Debian Linux
FirefoxFirefox Esr+7 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
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 uninit...Show more
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.Show less
3Mozilla
NovellOracle
5Firefox
Firefox EsrSolaris+2 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before 39.0 and Firefox ESR 31.x before 31.8 and 38.x before 38.1 allows remote attackers to execute arbitrary code via vectors...Show more
Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before 39.0 and Firefox ESR 31.x before 31.8 and 38.x before 38.1 allows remote attackers to execute arbitrary code via vectors involving attachment of an XMLHttpRequest object to a dedicated worker.Show less
2Mozilla
Oracle
4Firefox
Firefox EsrSolaris+1 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allows remote attackers to exe...Show more
Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allows remote attackers to execute arbitrary code by leveraging client-side JavaScript that triggers removal of a DOM object on the basis of a Content Policy.Show less