Vulnerability Report

CVE-2009-0265

Title: Isc Bind

Other

Proof Of Concept

No public PoC currently indexed for CVE-2009-0265.

CWE Category CWE-252

Published Date Jan 26, 2009

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 7.5 CVSS v3.1

Exploit Probability (EPSS)

2.47%

Vulnerability Summary

CVE-2009-0265: 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.

Impacted Vendors

isc 1

Reference Links

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

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2009-0265 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

January 26, 2009 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Stack

No specific products linked.