Stack-based buffer overflow in mcrypt 2.6.8 and earlier allows user-assisted remote…
Priority MEDIUM 41CWE-119Published · 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
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Stack-based buffer overflow in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long file name. NOTE: it is not clear whether this is a vulnerability.
Why it matters now
EPSS 0.07713 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mcrypt:mcrypt:*:*:*:*:*:*:*:* | up to 2.6.8 | Vulnerable | Mcrypt |
| cpe:2.3:a:mcrypt:mcrypt:2.6.4:*:*:*:*:*:*:* | 2.6.4 | Vulnerable | Mcrypt |
| cpe:2.3:a:mcrypt:mcrypt:2.6.5:*:*:*:*:*:*:* | 2.6.5 | Vulnerable | Mcrypt |
| cpe:2.3:a:mcrypt:mcrypt:2.6.6:*:*:*:*:*:*:* | 2.6.6 | Vulnerable | Mcrypt |
| cpe:2.3:a:mcrypt:mcrypt:2.6.7:*:*:*:*:*:*:* | 2.6.7 | Vulnerable | Mcrypt |
- cpe:2.3:a:mcrypt:mcrypt:*:*:*:*:*:*:*:* Versions up to 2.6.8 Vulnerable ·Mcrypt
- cpe:2.3:a:mcrypt:mcrypt:2.6.4:*:*:*:*:*:*:* Versions 2.6.4 Vulnerable ·Mcrypt
- cpe:2.3:a:mcrypt:mcrypt:2.6.5:*:*:*:*:*:*:* Versions 2.6.5 Vulnerable ·Mcrypt
- cpe:2.3:a:mcrypt:mcrypt:2.6.6:*:*:*:*:*:*:* Versions 2.6.6 Vulnerable ·Mcrypt
- cpe:2.3:a:mcrypt:mcrypt:2.6.7:*:*:*:*:*:*:* Versions 2.6.7 Vulnerable ·Mcrypt
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2012-4527
- 2026-10-03 Alias added: GHSA-wgvq-8q3h-fq65
References
Other 4
- [oss-security] 20121018 Re: CVE Request -- mcrypt: stack-based buffer overflow by encryption / decryption of overly long file names
- [oss-security] 20121119 Re: CVE Request -- mcrypt: stack-based buffer overflow by encryption / decryption of overly long file names
- [oss-security] 20121018 CVE Request -- mcrypt: stack-based buffer overflow by encryption / decryption of overly long file names
- https://bugzilla.redhat.com/show_bug.cgi?id=867790
More Mcrypt vulnerabilities
- TI-2012-03752 Stack-based buffer overflow in the check_file_head function in extra.c in mcrypt 2.6.8… CVSS 2.0MEDIUM 6.8
- TI-2012-03768 Multiple format string vulnerabilities in mcrypt 2.6.8 and earlier might allow… CVSS 2.0MEDIUM 6.8
Sources
- CVE-2012-4527 · CVE Program
- CVE-2012-4527 · NVD
- FIRST EPSS
- GHSA-wgvq-8q3h-fq65 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-4527 · 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