CVE-2021-29948

Signatures are written to disk before and read during verification, which might be subject to a race condition when a malicious local process or user is replacing the file. This vulnerability affects Thunderbird < 78.10.

• CWE-362

• https://bugzilla.mozilla.org/show_bug.cgi?id=1692899Exploit, Patch, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2021-14/Release Notes, Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1692899Exploit, Patch, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2021-14/Release Notes, Vendor Advisory

Published

Jun 24, 2021

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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