VULNERABILITY INTELLIGENCE

CVE-2009-0265

CVSS score7.5 HIGH
EPSS probability2.47%
CISA KEVNot currently listed
Published2009-01-26
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

  • CWE-252: Unchecked Return Value
  • CWE-295: Improper Certificate Validation

Primary references