CVE-2009-0265

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-01-26 · updated 2026-06-16
Weakness: CWE-252

Description

Internet Systems Consortium (ISC) BIND 9.6.0 and earlier does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077 and CVE-2009-0025.

Affected products

ISC BIND: through 9.6.0

References

http://groups.google.com/group/comp.protocols.dns.bind/browse_thread/thread/49ef622c8329fd33
http://secunia.com/advisories/33559
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.540362
http://www.mandriva.com/security/advisories?name=MDVSA-2009:037
http://www.vupen.com/english/advisories/2009/0043
https://www.isc.org/node/373
http://groups.google.com/group/comp.protocols.dns.bind/browse_thread/thread/49ef622c8329fd33
http://secunia.com/advisories/33559
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.540362
http://www.mandriva.com/security/advisories?name=MDVSA-2009:037
http://www.vupen.com/english/advisories/2009/0043
https://www.isc.org/node/373

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