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Vendor: Mozilla • 3,181 CVEs

CVEs (3,181)

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1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
May 19, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
May 19, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
1Mozilla
2Firefox
Firefox Focus
Jul 15, 2026
May 19, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.
1Mozilla
1Firefox
Jul 15, 2026
May 12, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
1Mozilla
1Firefox
Jul 15, 2026
May 12, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
1Mozilla
1Firefox
Jul 15, 2026
May 12, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3.
1Mozilla
1Firefox
Jul 15, 2026
May 12, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.
1Mozilla
1Firefox
Jul 15, 2026
May 12, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
May 7, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.
1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
May 7, 2026
N/A· v4
8.1 HIGH· v3
N/A· v2
Memory safety bugs present in Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerabil...Show more
Memory safety bugs present in Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.2 and Thunderbird 150.0.2.Show less
1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
May 7, 2026
N/A· v4
8.1 HIGH· v3
N/A· v2
Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been e...Show more
Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.Show less
1Mozilla
2Firefox
Thunderbird
Jul 22, 2026
May 7, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.
1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
May 7, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.
1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
Apr 28, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Memory safety bugs present in Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulner...Show more
Memory safety bugs present in Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.1 and Thunderbird 150.0.1.Show less
1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
Apr 28, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to ru...Show more
Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.Show less
1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
Apr 28, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to ru...Show more
Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.Show less
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
Apr 28, 2026
N/A· v4
9.6 CRITICAL· v3
N/A· v2
Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.
1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
Apr 28, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird...Show more
Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.Show less
1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
Apr 26, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could...Show more
Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.Show less
1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
Apr 26, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort...Show more
Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.Show less