Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK…
Priority MEDIUM 57CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Partial Red Hat: 6 fixed, 1 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check.
Why it matters now
EPSS 0.1691 97th percentileScored 2026-11-07
Fix Partial Red Hat: 4 advisoriesRed Hat: 6 fixed, 1 without a fix
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 · 19
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:* | 0.9.8 | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:* | 0.9.8a | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:* | 0.9.8b | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:* | 0.9.8c | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8d:*:*:*:*:*:*:* | 0.9.8d | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8e:*:*:*:*:*:*:* | 0.9.8e | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8f:*:*:*:*:*:*:* | 0.9.8f | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8g:*:*:*:*:*:*:* | 0.9.8g | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8h:*:*:*:*:*:*:* | 0.9.8h | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8i:*:*:*:*:*:*:* | 0.9.8i | Vulnerable | OpenSSL |
- cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:* Versions 0.9.8 Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:* Versions 0.9.8a Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:* Versions 0.9.8b Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:* Versions 0.9.8c Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8d:*:*:*:*:*:*:* Versions 0.9.8d Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8e:*:*:*:*:*:*:* Versions 0.9.8e Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8f:*:*:*:*:*:*:* Versions 0.9.8f Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8g:*:*:*:*:*:*:* Versions 0.9.8g Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8h:*:*:*:*:*:*:* Versions 0.9.8h Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8i:*:*:*:*:*:*:* Versions 0.9.8i Vulnerable ·OpenSSL
Show 9 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openssl:openssl:0.9.8j:*:*:*:*:*:*:* | 0.9.8j | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8k:*:*:*:*:*:*:* | 0.9.8k | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8l:*:*:*:*:*:*:* | 0.9.8l | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8m:*:*:*:*:*:*:* | 0.9.8m | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8n:*:*:*:*:*:*:* | 0.9.8n | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8o:*:*:*:*:*:*:* | 0.9.8o | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8p:*:*:*:*:*:*:* | 0.9.8p | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8q:*:*:*:*:*:*:* | 0.9.8q | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8r:*:*:*:*:*:*:* | 0.9.8r | Vulnerable | OpenSSL |
- cpe:2.3:a:openssl:openssl:0.9.8j:*:*:*:*:*:*:* Versions 0.9.8j Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8k:*:*:*:*:*:*:* Versions 0.9.8k Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8l:*:*:*:*:*:*:* Versions 0.9.8l Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8m:*:*:*:*:*:*:* Versions 0.9.8m Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8n:*:*:*:*:*:*:* Versions 0.9.8n Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8o:*:*:*:*:*:*:* Versions 0.9.8o Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8p:*:*:*:*:*:*:* Versions 0.9.8p Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8q:*:*:*:*:*:*:* Versions 0.9.8q Vulnerable ·OpenSSL
- cpe:2.3:a:openssl:openssl:0.9.8r:*:*:*:*:*:*:* Versions 0.9.8r Vulnerable ·OpenSSL
Remediation
Red Hat 4 advisories
- RHSA-2012:1308 Released 2012-09-24 · Red Hat rating Importantopenssl security update
- Red Hat JBoss Enterprise Application Platform 6.0
- RHSA-2012:1307 Released 2012-09-24 · Red Hat rating Importantopenssl security update
- Red Hat JBoss Enterprise Application Platform 5.1
- RHSA-2012:1306 Released 2012-09-24 · Red Hat rating Importantopenssl security update
- Red Hat JBoss Web Server 1.0
Show 1 more Red Hat advisories
- RHSA-2012:0060 Released 2012-01-24 · Red Hat rating Moderateopenssl security update
- RHEL Desktop Workstation (v. 5 client) openssl-0.9.8e-20.el5_7.1, openssl-devel-0.9.8e-20.el5_7.1, openssl-devel-0.9.8e-20.el5_7.1.i386
- Red Hat Enterprise Linux (v. 5 server) openssl-0.9.8e-20.el5_7.1, openssl-0.9.8e-20.el5_7.1.i386, openssl-0.9.8e-20.el5_7.1.ia64 +9
- Red Hat Enterprise Linux Desktop (v. 5 client) openssl-0.9.8e-20.el5_7.1, openssl-0.9.8e-20.el5_7.1.i386, openssl-perl-0.9.8e-20.el5_7.1 +1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| RHEL Desktop Workstation (v. 5 client) | Fixed | RHSA-2012:0060 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2012:0060 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2012:0060 |
| Red Hat JBoss Enterprise Application Platform 5.1 | Fixed | RHSA-2012:1307 |
| Red Hat JBoss Enterprise Application Platform 6.0 | Fixed | RHSA-2012:1308 |
| Red Hat JBoss Web Server 1.0 | Fixed | RHSA-2012:1306 |
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-2011-4109
- 2026-10-03 Alias added: GHSA-fr6r-xw3f-g957
References
Advisory 12
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-2011-4109 · CVE Program
- CVE-2011-4109 · NVD
- FIRST EPSS
- GHSA-fr6r-xw3f-g957 · GitHub Advisory Database · CC BY 4.0
- CVE-2011-4109 · Red Hat security data · CC BY 4.0
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