CVE-2018-9234

GnuPG 2.2.4 and 2.2.5 does not enforce a configuration in which key certification requires an offline master Certify key, which results in apparently valid certifications that occurred only with access to a signing subkey.

• CWE-320

• https://dev.gnupg.org/T3844Issue Tracking, Third Party Advisory
• https://usn.ubuntu.com/3675-1/Third Party Advisory
• https://dev.gnupg.org/T3844Issue Tracking, Third Party Advisory
• https://usn.ubuntu.com/3675-1/Third Party Advisory

Published

Apr 4, 2018

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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