Is CVE-2009-0265 being actively exploited?

CVE-2009-0265 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-0265?

CVE-2009-0265 has a CVSS 3.1 base score of 7.5 (HIGH).

CVE-2009-0265

HIGH · CVSS 7.5EPSS 2.5%EU EUVD

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.

Key facts

CVSS score: 7.5 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-252
EPSS score: 2.5% (85th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-0270)
Published: January 26, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-0270 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

isc / bind

References

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

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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