{"id":"CVE-2009-0265","aliases":["EUVD-2009-0270","GHSA-mrwj-9mpp-w94q"],"status":"published","title":"Internet Systems Consortium (ISC) BIND 9.6.0 and earlier does not properly check the return value...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02474,"percentile":0.84646,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-252","CWE-287","CWE-295"],"published":"2009-01-26T15:05:00Z","modified":"2026-06-16T23:04:37Z","products":[{"vendor":"isc","product":"bind"}],"references":[{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:037","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","Broken Link"]},{"url":"http://secunia.com/advisories/33559","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link","Vendor Advisory"]},{"url":"http://www.vupen.com/english/advisories/2009/0043","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Broken Link"]},{"url":"http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2009\u0026m=slackware-security.540362","tags":["vendor-advisory","x_refsource_SLACKWARE","x_transferred","Mailing List","Patch"]},{"url":"http://groups.google.com/group/comp.protocols.dns.bind/browse_thread/thread/49ef622c8329fd33","tags":["x_refsource_MISC","x_transferred","Mailing List"]},{"url":"https://www.isc.org/node/373","tags":["x_refsource_CONFIRM","x_transferred","Broken Link","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0265"},{"url":"https://github.com/advisories/GHSA-mrwj-9mpp-w94q"}],"sources":{"cve":[{"id":"CVE-2009-0265","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.","status":"published","published":"2009-01-26T15:05:00Z","modified":"2024-08-07T04:24:18.462Z","updated_at":"2026-11-02T14:33:25.896677Z"}],"euvd":[{"id":"EUVD-2009-0270","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.","status":"published","published":"2009-01-26T15:05:00Z","modified":"2024-08-07T04:24:18Z","updated_at":"2026-11-03T01:39:26.585153Z"}],"ghsa":[{"id":"GHSA-mrwj-9mpp-w94q","title":"Internet Systems Consortium (ISC) BIND 9.6.0 and earlier does not properly check the return value...","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.","status":"published","published":"2022-05-02T03:13:53Z","modified":"2026-03-20T05:01:28Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-252","CWE-287"],"updated_at":"2026-11-02T15:06:43.427844Z"}],"nvd":[{"id":"CVE-2009-0265","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.","status":"published","published":"2009-01-26T15:30:04.89Z","modified":"2026-06-16T23:04:37.18Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-252","CWE-295"],"updated_at":"2026-11-02T14:01:33.417327Z"}]}}