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Vendor: Mozilla • 3,184 CVEs

CVEs (3,184)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
6Canonical
DebianMozilla+3 more
15Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+12 more
Apr 22, 2026
Jun 26, 2013
N/A· v4
8.8 HIGH· v3
9.3 HIGH· v2
Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 do not properly handle onreadystatechange events in conjunction with page reloading, which al...Show more
Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 do not properly handle onreadystatechange events in conjunction with page reloading, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted web site that triggers an attempt to execute data at an unmapped memory location.Show less
1Mozilla
1Firefox
Apr 29, 2026
Jun 26, 2013
N/A· v4
N/A· v3
9.3 HIGH· v2
The Profiler implementation in Mozilla Firefox before 22.0 parses untrusted data during UI rendering, which allows user-assisted remote attackers to execute arbitrary JavaScript code via a crafted web site.
1Mozilla
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
Jun 26, 2013
N/A· v4
N/A· v3
9.3 HIGH· v2
The System Only Wrapper (SOW) and Chrome Object Wrapper (COW) implementations in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 do not prope...Show more
The System Only Wrapper (SOW) and Chrome Object Wrapper (COW) implementations in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 do not properly restrict XBL user-defined functions, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges, or conduct cross-site scripting (XSS) attacks, via a crafted web site.Show less
1Mozilla
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
Jun 26, 2013
N/A· v4
N/A· v3
10.0 HIGH· v2
Use-after-free vulnerability in the mozilla::ResetDir function in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 allows remote attackers to...Show more
Use-after-free vulnerability in the mozilla::ResetDir function in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.Show less
1Mozilla
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
Jun 26, 2013
N/A· v4
N/A· v3
9.3 HIGH· v2
Use-after-free vulnerability in the nsIDocument::GetRootElement function in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 allows remote att...Show more
Use-after-free vulnerability in the nsIDocument::GetRootElement function in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted web site.Show less
1Mozilla
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
Jun 26, 2013
N/A· v4
N/A· v3
9.3 HIGH· v2
Use-after-free vulnerability in the mozilla::dom::HTMLMediaElement::LookupMediaElementURITable function in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x...Show more
Use-after-free vulnerability in the mozilla::dom::HTMLMediaElement::LookupMediaElementURITable function in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted web site.Show less
1Mozilla
1Firefox
Apr 29, 2026
Jun 26, 2013
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 22.0 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 22.0 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
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
Jun 26, 2013
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 allow remote attackers to cause...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 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
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
May 16, 2013
N/A· v4
N/A· v3
10.0 HIGH· v2
Use-after-free vulnerability in the nsContentUtils::RemoveScriptBlocker function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows re...Show more
Use-after-free vulnerability in the nsContentUtils::RemoveScriptBlocker function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.Show less
1Mozilla
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
May 16, 2013
N/A· v4
N/A· v3
10.0 HIGH· v2
Use-after-free vulnerability in the nsFrameList::FirstChild function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attacke...Show more
Use-after-free vulnerability in the nsFrameList::FirstChild function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.Show less
1Mozilla
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
May 16, 2013
N/A· v4
N/A· v3
10.0 HIGH· v2
Use-after-free vulnerability in the mozilla::plugins::child::_geturlnotify function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows...Show more
Use-after-free vulnerability in the mozilla::plugins::child::_geturlnotify function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.Show less
1Mozilla
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
May 16, 2013
N/A· v4
N/A· v3
10.0 HIGH· v2
The _cairo_xlib_surface_add_glyph function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary co...Show more
The _cairo_xlib_surface_add_glyph function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code or cause a denial of service (invalid write operation) via unspecified vectors.Show less
1Mozilla
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
May 16, 2013
N/A· v4
N/A· v3
10.0 HIGH· v2
The gfxSkipCharsIterator::SetOffsets function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary...Show more
The gfxSkipCharsIterator::SetOffsets function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via unspecified vectors.Show less
1Mozilla
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
May 16, 2013
N/A· v4
N/A· v3
10.0 HIGH· v2
The SelectionIterator::GetNextSegment function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrar...Show more
The SelectionIterator::GetNextSegment function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via unspecified vectors.Show less
5Canonical
DebianMozilla+2 more
18Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+15 more
Apr 22, 2026
May 16, 2013
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 do not properly initialize data structures for the nsDOMSVGZoomEvent::mPreviousScale and nsDO...Show more
Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 do not properly initialize data structures for the nsDOMSVGZoomEvent::mPreviousScale and nsDOMSVGZoomEvent::mNewScale functions, which allows remote attackers to obtain sensitive information from process memory via a crafted web site.Show less
1Mozilla
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
May 16, 2013
N/A· v4
N/A· v3
9.3 HIGH· v2
Use-after-free vulnerability in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code via vectors...Show more
Use-after-free vulnerability in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code via vectors involving an onresize event during the playing of a video.Show less
1Mozilla
1Firefox
Apr 29, 2026
May 16, 2013
N/A· v4
N/A· v3
6.9 MEDIUM· v2
The Mozilla Updater in Mozilla Firefox before 21.0 on Windows does not properly maintain Mozilla Maintenance Service registry entries in certain situations involving upgrades from older Firefox versions, which allows loc...Show more
The Mozilla Updater in Mozilla Firefox before 21.0 on Windows does not properly maintain Mozilla Maintenance Service registry entries in certain situations involving upgrades from older Firefox versions, which allows local users to gain privileges by leveraging write access to a "trusted path."Show less
1Mozilla
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
May 16, 2013
N/A· v4
N/A· v3
6.9 MEDIUM· v2
The Mozilla Maintenance Service in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 on Windows allows local users to bypass integrity verifica...Show more
The Mozilla Maintenance Service in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 on Windows allows local users to bypass integrity verification and gain privileges via vectors involving junctions.Show less
1Mozilla
1Firefox
Apr 29, 2026
May 16, 2013
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Mozilla Firefox before 21.0 does not properly implement the INPUT element, which allows remote attackers to obtain the full pathname via a crafted web site.
1Mozilla
3Firefox
ThunderbirdThunderbird Esr
Apr 29, 2026
May 16, 2013
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 does not prevent acquisition of chrome priv...Show more
The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 does not prevent acquisition of chrome privileges during calls to content level constructors, which allows remote attackers to bypass certain read-only restrictions and conduct cross-site scripting (XSS) attacks via a crafted web site.Show less