VULNERABILITY INTELLIGENCE

CVE-2015-7826

CVSS score9.8 CRITICAL

EPSS probability1.11%

CISA KEVNot currently listed

Published2017-04-10

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

botan 1.11.x before 1.11.22 improperly handles wildcard matching against hostnames, which might allow remote attackers to have unspecified impact via a valid X.509 certificate, as demonstrated by accepting *.example.com as a match for bar.foo.example.com.

Weakness classification

CWE-295: Improper Certificate Validation

Primary references

cve@mitre.org — Vendor Advisory
cve@mitre.org — Issue Tracking, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory, VDB Entry