What’s Vulnerable › Vulnerabilities

CVE-2015-7826

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-04-10 · updated 2026-06-17
• Weakness: CWE-295

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.

Affected products

• randombit botan: through 1.11.21

References

• https://botan.randombit.net/security.html#id3
• https://bugzilla.redhat.com/show_bug.cgi?id=1311620
• https://botan.randombit.net/security.html#id3
• https://bugzilla.redhat.com/show_bug.cgi?id=1311620

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