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Vendor: Mozilla • 3,184 CVEs

CVEs (3,184)

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CVSS
4Canonical
MozillaOpensuse+1 more
4Firefox
OpensuseSolaris+1 more
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The nsCSPHostSrc::permits function in dom/security/nsCSPUtils.cpp in Mozilla Firefox before 40.0 does not implement the Content Security Policy Level 2 exceptions for the blob, data, and filesystem URL schemes during wil...Show more
The nsCSPHostSrc::permits function in dom/security/nsCSPUtils.cpp in Mozilla Firefox before 40.0 does not implement the Content Security Policy Level 2 exceptions for the blob, data, and filesystem URL schemes during wildcard source-expression matching, which might make it easier for remote attackers to conduct cross-site scripting (XSS) attacks by leveraging unexpected policy-enforcement behavior.Show less
4Canonical
MozillaOpensuse+1 more
5Firefox
Firefox OsOpensuse+2 more
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
7.5 HIGH· v2
The nsTArray_Impl class in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified o...Show more
The nsTArray_Impl class in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging a self assignment.Show less
4Canonical
MozillaOpensuse+1 more
5Firefox
Firefox OsOpensuse+2 more
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
7.5 HIGH· v2
Use-after-free vulnerability in the StyleAnimationValue class in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 allows remote attackers to have an unspecified impact by leveraging a...Show more
Use-after-free vulnerability in the StyleAnimationValue class in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 allows remote attackers to have an unspecified impact by leveraging a StyleAnimationValue::operator self assignment.Show less
4Canonical
MozillaOpensuse+1 more
5Firefox
Firefox OsOpensuse+2 more
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
7.5 HIGH· v2
The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly hav...Show more
The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, related to an "overflow."Show less
4Canonical
MozillaOpensuse+1 more
4Firefox
OpensuseSolaris+1 more
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
The decrease_ref_count function in libvpx in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via malformed...Show more
The decrease_ref_count function in libvpx in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via malformed WebM video data.Show less
4Canonical
MozillaOpensuse+1 more
4Firefox
OpensuseSolaris+1 more
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
Heap-based buffer overflow in the resize_context_buffers function in libvpx in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code via malformed WebM video data.
4Canonical
MozillaOpensuse+1 more
4Firefox
OpensuseSolaris+1 more
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The js::jit::AssemblerX86Shared::lock_addl function in the JavaScript implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to cause a denial of service (application crash...Show more
The js::jit::AssemblerX86Shared::lock_addl function in the JavaScript implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to cause a denial of service (application crash) by leveraging the use of shared memory and accessing (1) an Atomics object or (2) a SharedArrayBuffer object.Show less
3Mozilla
OpensuseOracle
3Firefox
OpensuseSolaris
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Mozilla Firefox before 40.0 allows man-in-the-middle attackers to bypass a mixed-content protection mechanism via a feed: URL in a POST request.
3Mozilla
OpensuseOracle
3Firefox
OpensuseSolaris
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
4.6 MEDIUM· v2
mar_read.c in the Updater in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows local users to gain privileges or cause a denial of service (out-of-bounds write) via a crafted name of a Mozilla Archive (...Show more
mar_read.c in the Updater in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows local users to gain privileges or cause a denial of service (out-of-bounds write) via a crafted name of a Mozilla Archive (aka MAR) file.Show less
3Mozilla
OpensuseOracle
3Firefox
OpensuseSolaris
May 6, 2026
Aug 16, 2015
N/A· v4
N/A· v3
3.3 LOW· v2
Race condition in the Mozilla Maintenance Service in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 on Windows allows local users to write to arbitrary files and consequently gain privileges via vectors inv...Show more
Race condition in the Mozilla Maintenance Service in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 on Windows allows local users to write to arbitrary files and consequently gain privileges via vectors involving a hard link to a log file during an update.Show less
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