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Vendor: Mozilla • 3,184 CVEs

CVEs (3,184)

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CVSS
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
2Mozilla
Oracle
4Firefox
Firefox EsrSolaris+1 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The AudioParamTimeline::AudioNodeInputValue function in the Web Audio implementation in Mozilla Firefox before 39.0 and Firefox ESR 38.x before 38.1 does not properly calculate an oscillator rendering range, which allows...Show more
The AudioParamTimeline::AudioNodeInputValue function in the Web Audio implementation in Mozilla Firefox before 39.0 and Firefox ESR 38.x before 38.1 does not properly calculate an oscillator rendering range, which allows remote attackers to obtain sensitive information from process memory or cause a denial of service (out-of-bounds read) via unspecified vectors.Show less
3Mozilla
NovellOracle
5Firefox
Firefox EsrSolaris+2 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
7.5 HIGH· v2
The IndexedDatabaseManager class in the IndexedDB implementation in Mozilla Firefox before 39.0 and Firefox ESR 31.x before 31.8 and 38.x before 38.1 misinterprets an unspecified IDBDatabase field as a pointer, which all...Show more
The IndexedDatabaseManager class in the IndexedDB implementation in Mozilla Firefox before 39.0 and Firefox ESR 31.x before 31.8 and 38.x before 38.1 misinterprets an unspecified IDBDatabase field as a pointer, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via unspecified vectors, related to a "type confusion" issue.Show less
1Mozilla
1Firefox
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Mozilla Firefox 38.0 and Firefox ESR 38.0 allow user-assisted remote attackers to read arbitrary files or execute arbitrary JavaScript code with chrome privileges via a crafted web site that is accessed with unspecified...Show more
Mozilla Firefox 38.0 and Firefox ESR 38.0 allow user-assisted remote attackers to read arbitrary files or execute arbitrary JavaScript code with chrome privileges via a crafted web site that is accessed with unspecified mouse and keyboard actions. NOTE: this vulnerability exists because of a CVE-2015-0821 regression.Show less
3Mozilla
NovellOracle
5Firefox
SolarisSuse Linux Enterprise Desktop+2 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 39.0 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 39.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
3Mozilla
NovellOracle
7Firefox
Firefox EsrSolaris+4 more
May 6, 2026
Jul 6, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allow remote attackers to cause a denial of service (memory corruption...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code 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
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 allow remote attackers to cause a denial of servic...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
3Mozilla
NovellOracle
6Firefox
Firefox EsrSolaris+3 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 shared worker.Show less
12Apple
CanonicalDebian+9 more
25Chrome
Content ManagerDebian Linux+22 more
May 27, 2026
May 21, 2015
N/A· v4
3.7 LOW· v3
4.3 MEDIUM· v2
The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server but not on a client, does not properly convey a DHE_EXPORT choice, which allows man-in-the-middle attackers to conduct cipher-downgra...Show more
The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server but not on a client, does not properly convey a DHE_EXPORT choice, which allows man-in-the-middle attackers to conduct cipher-downgrade attacks by rewriting a ClientHello with DHE replaced by DHE_EXPORT and then rewriting a ServerHello with DHE_EXPORT replaced by DHE, aka the "Logjam" issue.Show less
1Mozilla
1Firefox
May 6, 2026
May 14, 2015
N/A· v4
N/A· v3
4.4 MEDIUM· v2
The update implementation in Mozilla Firefox before 38.0 on Windows does not ensure that the pathname for updater.exe corresponds to the application directory, which might allow local users to gain privileges via a Troja...Show more
The update implementation in Mozilla Firefox before 38.0 on Windows does not ensure that the pathname for updater.exe corresponds to the application directory, which might allow local users to gain privileges via a Trojan horse file.Show less
2Mozilla
Opensuse
2Firefox
Opensuse
May 6, 2026
May 14, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The WebChannel.jsm module in Mozilla Firefox before 38.0 allows remote attackers to bypass the Same Origin Policy and obtain sensitive webchannel-response data via a crafted web site containing an IFRAME element referenc...Show more
The WebChannel.jsm module in Mozilla Firefox before 38.0 allows remote attackers to bypass the Same Origin Policy and obtain sensitive webchannel-response data via a crafted web site containing an IFRAME element referencing a different web site that is intended to read this data.Show less