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
Published Jan 26, 2009
7.5
HIGHCVSS 3.1
EPSS 2.47%
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
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of BIND as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.47% (0.02474) | 83.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.47% (0.02474) | 82.40th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.39% (0.00390) | 58.01th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.40% (0.00400) | 74.42th | v3 (v2023.03.01) |
| Feb 14, 2024 | 0.40% (0.00400) | 72.91th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.58% (0.00578) | 77.35th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.58% (0.00578) | 74.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.10% (0.02103) | 79.97th | v2 (v2022.01.01) |
| Jul 18, 2022 | 2.10% (0.02103) | 78.80th | v2 (v2022.01.01) |
| Jul 17, 2022 | 1.32% (0.01319) | 70.15th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.10% (0.02103) | 78.04th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.10% (0.02103) | 56.73th | v2 (v2022.01.01) |
References (9)
- http://groups.google.com/group/comp.protocols.dns.bind/browse_thread/thread/49ef622c8329fd33 x_refsource_MISCMailing List
- http://secunia.com/advisories/33559 third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
- http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.540362 vendor-advisoryx_refsource_SLACKWAREMailing ListPatch
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:037 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.vupen.com/english/advisories/2009/0043 vdb-entryx_refsource_VUPENBroken Link
- https://access.redhat.com/security/cve/CVE-2009-0265 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2009-0265
- https://www.cve.org/CVERecord?id=CVE-2009-0265
- https://www.isc.org/node/373 x_refsource_CONFIRMBroken LinkVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://groups.google.com/group/comp.protocols.dns.bind/browse_thread/thread/49ef622c8329fd33 | x_refsource_MISCMailing List | |
| http://secunia.com/advisories/33559 | third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory | |
| http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.540362 | vendor-advisoryx_refsource_SLACKWAREMailing ListPatch | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2009:037 | vendor-advisoryx_refsource_MANDRIVABroken Link | |
| http://www.vupen.com/english/advisories/2009/0043 | vdb-entryx_refsource_VUPENBroken Link | |
| https://access.redhat.com/security/cve/CVE-2009-0265 | Vendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2009-0265 | ||
| https://www.cve.org/CVERecord?id=CVE-2009-0265 | ||
| https://www.isc.org/node/373 | x_refsource_CONFIRMBroken LinkVendor Advisory |
Change history (0)
No recorded changes yet.