Mozilla

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2026-8090 1Mozilla 2Firefox Thunderbird Jul 28, 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.
CVE-2026-7324 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
CVE-2026-7323 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
CVE-2026-7322 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
CVE-2026-7321 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.
CVE-2026-7320 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
CVE-2026-6786 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
CVE-2026-6785 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
CVE-2026-6784 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Apr 21, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 Memory safety bugs present in 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....Show more Memory safety bugs present in 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 and Thunderbird 150.Show less
CVE-2026-6783 1Mozilla 2Firefox Thunderbird Jun 17, 2026 Apr 21, 2026 N/A· v4 5.3 MEDIUM· v3 N/A· v2 Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6782 1Mozilla 2Firefox Thunderbird Jun 17, 2026 Apr 21, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6781 1Mozilla 2Firefox Thunderbird Jun 17, 2026 Apr 21, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6780 1Mozilla 2Firefox Thunderbird Jun 17, 2026 Apr 21, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6779 1Mozilla 2Firefox Thunderbird Jun 17, 2026 Apr 21, 2026 N/A· v4 5.3 MEDIUM· v3 N/A· v2 Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6778 1Mozilla 2Firefox Thunderbird Jun 17, 2026 Apr 21, 2026 N/A· v4 5.3 MEDIUM· v3 N/A· v2 Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6777 1Mozilla 2Firefox Thunderbird Jun 17, 2026 Apr 21, 2026 N/A· v4 5.3 MEDIUM· v3 N/A· v2 Other issue in the Networking: DNS component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6776 1Mozilla 2Firefox Thunderbird Jun 17, 2026 Apr 21, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6775 1Mozilla 2Firefox Thunderbird Jun 17, 2026 Apr 21, 2026 N/A· v4 5.3 MEDIUM· v3 N/A· v2 Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6774 1Mozilla 2Firefox Thunderbird Jun 17, 2026 Apr 21, 2026 N/A· v4 5.4 MEDIUM· v3 N/A· v2 Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6773 1Mozilla 2Firefox Thunderbird Jun 17, 2026 Apr 21, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

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