The OpenSSL::OCSP module for Ruby in Apple Mac OS X 10.5 before 10.5.7 misinterprets an unspecified invalid response as a successful OCSP certificate validation, which might allow remote attackers to spoof certificate authentication via a revoked certificate
Published May 13, 2009
6.4
MEDIUMCVSS 2.0
EPSS 2.29%
Description
The OpenSSL::OCSP module for Ruby in Apple Mac OS X 10.5 before 10.5.7 misinterprets an unspecified invalid response as a successful OCSP certificate validation, which might allow remote attackers to spoof certificate authentication via a revoked certificate.
Affected products
No data.
- 10.5.0
- 10.5.1
- 10.5.2
- 10.5.3
- 10.5.4
- 10.5.5
- 10.5.6
- 10.4.11
- 10.5.0
- 10.5.1
- 10.5.2
- 10.5.3
- 10.5.4
- 10.5.6
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:P
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 1, 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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.29% (0.02286) | 82.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.29% (0.02286) | 80.86th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.18% (0.00181) | 37.61th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.70% (0.00700) | 80.95th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.70% (0.00700) | 79.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.70% (0.00700) | 77.21th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (7)
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html vendor-advisoryx_refsource_APPLEPatchVendor Advisory
- http://secunia.com/advisories/35074 third-party-advisoryx_refsource_SECUNIA
- http://support.apple.com/kb/HT3549 x_refsource_CONFIRMPatchVendor Advisory
- http://www.securityfocus.com/bid/34926 vdb-entryx_refsource_BID
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2009/1297 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50592 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://lists.apple.com/archives/security-announce/2009/May/msg00002.html | vendor-advisoryx_refsource_APPLEPatchVendor Advisory | |
| http://secunia.com/advisories/35074 | third-party-advisoryx_refsource_SECUNIA | |
| http://support.apple.com/kb/HT3549 | x_refsource_CONFIRMPatchVendor Advisory | |
| http://www.securityfocus.com/bid/34926 | vdb-entryx_refsource_BID | |
| http://www.us-cert.gov/cas/techalerts/TA09-133A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| http://www.vupen.com/english/advisories/2009/1297 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/50592 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.