botan before 1.11.22 improperly validates certificate paths, which allows remote attackers to cause a denial of service (infinite loop and memory consumption) via a certificate with a loop in the certificate chain.
https://bugzilla.redhat.com/show_bug.cgi?id=1311618
https://botan.randombit.net/security.html#id3
Source: Mitre, NVD
Published: 2017-04-10
Updated: 2026-05-13
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
Severity: High
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.0031