In GnuPG before 2.5.17, a long signature packet length causes parse_signature to return success with sig->data[] set to a NULL value, leading to a denial of service (application crash).
https://www.openwall.com/lists/oss-security/2026/01/27/8
https://dev.gnupg.org/T8049
Source: Mitre, NVD
Published: 2026-01-27
Updated: 2026-01-27
Base Score: 2.6
Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:P
Severity: Low
Base Score: 3.7
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS: 0.0001