CVE-2020-12399

NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

• CWE-203

• https://bugzilla.mozilla.org/show_bug.cgi?id=1631576Issue Tracking, Permissions Required, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2020/09/msg00029.htmlMailing List, Third Party Advisory
• https://security.gentoo.org/glsa/202007-49Third Party Advisory
• https://usn.ubuntu.com/4421-1/Third Party Advisory
• https://www.debian.org/security/2020/dsa-4726Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-20/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-21/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-22/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1631576Issue Tracking, Permissions Required, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2020/09/msg00029.htmlMailing List, Third Party Advisory
• https://security.gentoo.org/glsa/202007-49Third Party Advisory
• https://usn.ubuntu.com/4421-1/Third Party Advisory
• https://www.debian.org/security/2020/dsa-4726Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-20/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-21/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-22/Vendor Advisory

Published

Jul 9, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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