Cross-site Scripting (XSS) Affecting thunderbird package, versions <1:78.3.1-1
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Test your applications- Snyk ID SNYK-DEBIAN12-THUNDERBIRD-1560859
- published 23 Sep 2020
- disclosed 1 Oct 2020
Introduced: 23 Sep 2020
CVE-2020-15676 Open this link in a new tabHow to fix?
Upgrade Debian:12 thunderbird to version 1:78.3.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable element. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
References
- https://security-tracker.debian.org/tracker/CVE-2020-15676
- https://www.debian.org/security/2020/dsa-4770
- https://security.gentoo.org/glsa/202010-02
- https://bugzilla.mozilla.org/show_bug.cgi?id=1646140
- https://www.mozilla.org/security/advisories/mfsa2020-42/
- https://www.mozilla.org/security/advisories/mfsa2020-43/
- https://www.mozilla.org/security/advisories/mfsa2020-44/
- https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html