crypto/x509/x509_vfy.c in OpenSSL 1.0.x before 1.0.0e does not initialize certain…
Priority LOW 30CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.
Summary
crypto/x509/x509_vfy.c in OpenSSL 1.0.x before 1.0.0e does not initialize certain structure members, which makes it easier for remote attackers to bypass CRL validation by using a nextUpdate value corresponding to a time in the past.
Why it matters now
EPSS 0.04359 91st percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openssl:openssl:1.0.0:*:*:*:*:*:*:* | 1.0.0 | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:1.0.0:beta1:*:*:*:*:*:* | 1.0.0 beta1 | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:1.0.0:beta2:*:*:*:*:*:* | 1.0.0 beta2 | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:1.0.0:beta3:*:*:*:*:*:* | 1.0.0 beta3 | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:1.0.0:beta4:*:*:*:*:*:* | 1.0.0 beta4 | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:1.0.0:beta5:*:*:*:*:*:* | 1.0.0 beta5 | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:1.0.0a:*:*:*:*:*:*:* | 1.0.0a | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:1.0.0b:*:*:*:*:*:*:* | 1.0.0b | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:1.0.0c:*:*:*:*:*:*:* | 1.0.0c | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:1.0.0d:*:*:*:*:*:*:* | 1.0.0d | Vulnerable | OpenSSL |
- cpe:2.3:a:openssl:openssl:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:1.0.0:beta1:*:*:*:*:*:* Versions 1.0.0 beta1 Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:1.0.0:beta2:*:*:*:*:*:* Versions 1.0.0 beta2 Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:1.0.0:beta3:*:*:*:*:*:* Versions 1.0.0 beta3 Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:1.0.0:beta4:*:*:*:*:*:* Versions 1.0.0 beta4 Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:1.0.0:beta5:*:*:*:*:*:* Versions 1.0.0 beta5 Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:1.0.0a:*:*:*:*:*:*:* Versions 1.0.0a Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:1.0.0b:*:*:*:*:*:*:* Versions 1.0.0b Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:1.0.0c:*:*:*:*:*:*:* Versions 1.0.0c Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:1.0.0d:*:*:*:*:*:*:* Versions 1.0.0d Vulnerable ·OpenSSL
Remediation
Red Hat 1 advisory
- RHSA-2011:1409 Released 2011-10-26 · Red Hat rating Moderateopenssl security update
- Red Hat Enterprise Linux Server (v. 6) openssl-1.0.0-10.el6_1.5, openssl-1.0.0-10.el6_1.5.ppc, openssl-devel-1.0.0-10.el6_1.5 +1
- Red Hat Enterprise Linux Server Optional (v. 6) openssl-1.0.0-10.el6_1.5, openssl-perl-1.0.0-10.el6_1.5, openssl-static-1.0.0-10.el6_1.5
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2011:1409 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2011:1409 |
Not affected: 3 products
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2011-3207
- 2026-10-03 Alias added: GHSA-crcf-r7r4-xr8j
References
Advisory 8
More Openssl vulnerabilities
- TI-2022-01915 The c_rehash script allows command injection CVSS 3.1CRITICAL 9.8
- TI-2021-02645 SM2 Decryption Buffer Overflow CVSS 3.1CRITICAL 9.8
- TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8
- TI-2022-01176 The c_rehash script allows command injection CVSS 3.1CRITICAL 9.8
- TI-2014-00154 The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly… KEVCVSS 3.1HIGH 7.5
- TI-2025-14107 Stack buffer overflow in CMS (Auth)EnvelopedData parsing CVSS 3.1HIGH 8.8
Sources
- CVE-2011-3207 · CVE Program
- CVE-2011-3207 · NVD
- FIRST EPSS
- GHSA-crcf-r7r4-xr8j · GitHub Advisory Database · CC BY 4.0
- CVE-2011-3207 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences