Thunderbird

thunderbird

Vendor: Mozilla • 1,729 CVEs

CVEs (1,729)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2026-2762 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Integer overflow in the JavaScript: Standard Library component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2761 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Feb 24, 2026 N/A· v4 10.0 CRITICAL· v3 N/A· v2 Sandbox escape in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2760 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Feb 24, 2026 N/A· v4 10.0 CRITICAL· v3 N/A· v2 Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2759 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2758 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2757 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2447 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Feb 16, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2.
CVE-2026-0818 1Mozilla 1Thunderbird Apr 13, 2026 Jan 28, 2026 N/A· v4 4.3 MEDIUM· v3 N/A· v2 When a user explicitly requested Thunderbird to decrypt an inline OpenPGP message that was embedded in a text section of an email that was formatted and styled with HTML and CSS, then the decrypted contents were rendered...Show more When a user explicitly requested Thunderbird to decrypt an inline OpenPGP message that was embedded in a text section of an email that was formatted and styled with HTML and CSS, then the decrypted contents were rendered in a context in which the CSS styles from the outer messages were active. If the user had additionally allowed loading of the remote content referenced by the outer email message, and the email was crafted by the sender using a combination of CSS rules and fonts and animations, then it was possible to extract the secret contents of the email. This vulnerability was fixed in Thunderbird 147.0.1 and Thunderbird 140.7.1.Show less
CVE-2026-0892 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Jan 13, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Memory safety bugs present in Firefox 146 and Thunderbird 146. 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 146 and Thunderbird 146. 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 147 and Thunderbird 147.Show less
CVE-2026-0891 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Jan 13, 2026 N/A· v4 8.1 HIGH· v3 N/A· v2 Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. 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 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. 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 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.Show less
CVE-2026-0890 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Jan 13, 2026 N/A· v4 5.4 MEDIUM· v3 N/A· v2 Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0889 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Jan 13, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 Denial-of-service in the DOM: Service Workers component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
CVE-2026-0888 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Jan 13, 2026 N/A· v4 5.3 MEDIUM· v3 N/A· v2 Information disclosure in the XML component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
CVE-2026-0887 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Jan 13, 2026 N/A· v4 4.3 MEDIUM· v3 N/A· v2 Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0886 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Jan 13, 2026 N/A· v4 5.3 MEDIUM· v3 N/A· v2 Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0885 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Jan 13, 2026 N/A· v4 6.5 MEDIUM· v3 N/A· v2 Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0884 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Jan 13, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0883 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Jan 13, 2026 N/A· v4 5.3 MEDIUM· v3 N/A· v2 Information disclosure in the Networking component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0882 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Jan 13, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Use-after-free in the IPC component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0881 1Mozilla 2Firefox Thunderbird Apr 13, 2026 Jan 13, 2026 N/A· v4 10.0 CRITICAL· v3 N/A· v2 Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.

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