CVE-2018-9234
GnuPG: Unenforced configuration allows for apparently valid certifications actually signed by signing subkeys
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · March 19, 2018
Updated · November 22, 2025
Description
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 2.2CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
CWE-325 · Missing Cryptographic Step