https://isitpatched.com/thunderbird Security alerts for Mozilla Thunderbird: newly-exploited CVEs and end-of-life events from IsItPatched. en Compiled by IsItPatched (isitpatched.com) from NVD, CISA KEV, EPSS and endoflife.date. IsItPatched (https://isitpatched.com) https://www.rssboard.org/rss-specification 15 https://isitpatched.com/icon-192.png https://isitpatched.com/thunderbird Wed, 17 Jun 2026 07:02:20 GMT https://isitpatched.com/cve/CVE-2024-9680 thunderbird|CVE-2024-9680 Severity: Critical (CVSS 9.8) · Use-after-free · Actively exploited (CISA KEV) · Ransomware-linked · EPSS 33% Exploited IsItPatched Wed, 09 Oct 2024 12:15:12 GMT https://isitpatched.com/cve/CVE-2023-5217 thunderbird|CVE-2023-5217 Severity: High (CVSS 8.8) · Out-of-bounds write · Actively exploited (CISA KEV) · EPSS 34% Exploited IsItPatched Thu, 28 Sep 2023 15:15:10 GMT https://isitpatched.com/cve/CVE-2023-4863 thunderbird|CVE-2023-4863 Severity: High (CVSS 8.8) · Out-of-bounds write · Actively exploited (CISA KEV) · EPSS 100% Exploited IsItPatched Tue, 12 Sep 2023 14:15:24 GMT https://isitpatched.com/cve/CVE-2022-26486 thunderbird|CVE-2022-26486 Severity: Critical (CVSS 9.6) · Use-after-free · Actively exploited (CISA KEV) · EPSS 2% Exploited IsItPatched Thu, 22 Dec 2022 20:15:22 GMT https://isitpatched.com/cve/CVE-2022-26485 thunderbird|CVE-2022-26485 Severity: High (CVSS 8.8) · Use-after-free · Actively exploited (CISA KEV) · EPSS 14% Exploited IsItPatched Thu, 22 Dec 2022 20:15:22 GMT https://isitpatched.com/cve/CVE-2020-6820 thunderbird|CVE-2020-6820 Severity: High (CVSS 8.1) · CWE-362 · Actively exploited (CISA KEV) · EPSS 6% Exploited IsItPatched Fri, 24 Apr 2020 15:15:13 GMT https://isitpatched.com/cve/CVE-2020-6819 thunderbird|CVE-2020-6819 Severity: High (CVSS 8.1) · CWE-362 · Actively exploited (CISA KEV) · EPSS 3% Exploited IsItPatched Fri, 24 Apr 2020 15:15:13 GMT https://isitpatched.com/cve/CVE-2019-17026 thunderbird|CVE-2019-17026 Severity: High (CVSS 8.8) · CWE-843 · Actively exploited (CISA KEV) · EPSS 47% Exploited IsItPatched Mon, 02 Mar 2020 05:15:12 GMT https://isitpatched.com/cve/CVE-2019-11708 thunderbird|CVE-2019-11708 Severity: Critical (CVSS 10) · Improper input validation · Actively exploited (CISA KEV) · EPSS 56% Exploited IsItPatched Tue, 23 Jul 2019 13:15:15 GMT https://isitpatched.com/cve/CVE-2019-11707 thunderbird|CVE-2019-11707 Severity: High (CVSS 8.8) · CWE-843 · Actively exploited (CISA KEV) · EPSS 38% Exploited IsItPatched Tue, 23 Jul 2019 13:15:15 GMT https://isitpatched.com/cve/CVE-2016-9079 thunderbird|CVE-2016-9079 Severity: High (CVSS 7.5) · Use-after-free · Actively exploited (CISA KEV) · EPSS 88% Exploited IsItPatched Mon, 11 Jun 2018 20:29:01 GMT https://isitpatched.com/cve/CVE-2015-4000 thunderbird|CVE-2015-4000 Severity: Low (CVSS 3.7) · CWE-310 · EPSS 100% Low IsItPatched Wed, 20 May 2015 23:59:00 GMT https://isitpatched.com/cve/CVE-2014-1511 thunderbird|CVE-2014-1511 Severity: Critical (CVSS 9.8) · Improper privilege management · EPSS 83% Critical IsItPatched Wed, 19 Mar 2014 10:55:06 GMT https://isitpatched.com/cve/CVE-2014-1510 thunderbird|CVE-2014-1510 Severity: Critical (CVSS 9.8) · Improper privilege management · EPSS 82% Critical IsItPatched Wed, 19 Mar 2014 10:55:06 GMT https://isitpatched.com/cve/CVE-2013-1690 thunderbird|CVE-2013-1690 Severity: High (CVSS 8.8) · Memory corruption · Actively exploited (CISA KEV) · EPSS 69% Exploited IsItPatched Wed, 26 Jun 2013 02:19:10 GMT https://isitpatched.com/cve/CVE-2013-1675 thunderbird|CVE-2013-1675 Severity: Medium (CVSS 6.5) · CWE-665 · Actively exploited (CISA KEV) · EPSS 7% Exploited IsItPatched Thu, 16 May 2013 10:45:30 GMT https://isitpatched.com/cve/CVE-2013-2566 thunderbird|CVE-2013-2566 Severity: Medium (CVSS 5.9) · CWE-326 · EPSS 84% Medium IsItPatched Fri, 15 Mar 2013 21:55:01 GMT https://isitpatched.com/cve/CVE-2013-0758 thunderbird|CVE-2013-0758 Severity: High (CVSS 9.3) · Code injection · EPSS 73% High IsItPatched Sun, 13 Jan 2013 20:55:02 GMT https://isitpatched.com/cve/CVE-2011-2371 thunderbird|CVE-2011-2371 Severity: High (CVSS 10) · CWE-189 · EPSS 76% High IsItPatched Thu, 30 Jun 2011 15:55:05 GMT https://isitpatched.com/cve/CVE-2010-3765 thunderbird|CVE-2010-3765 Severity: Critical (CVSS 9.8) · Memory corruption · Actively exploited (CISA KEV) · EPSS 83% Exploited IsItPatched Wed, 27 Oct 2010 23:00:05 GMT