Memory leak in libmcrypt before 2.5.5 allows attackers to cause a denial of service…
Priority LOW 26Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Memory leak in libmcrypt before 2.5.5 allows attackers to cause a denial of service (memory exhaustion) via a large number of requests to the application, which causes libmcrypt to dynamically load algorithms via libtool.
Why it matters now
EPSS 0.0154 75th 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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mcrypt:libmcrypt:2.5.1_r4:*:*:*:*:*:*:* | 2.5.1_r4 | Vulnerable | Mcrypt |
| cpe:2.3:a:mcrypt:libmcrypt:2.5.2:*:*:*:*:*:*:* | 2.5.2 | Vulnerable | Mcrypt |
| cpe:2.3:a:mcrypt:libmcrypt:2.5.3:*:*:*:*:*:*:* | 2.5.3 | Vulnerable | Mcrypt |
| cpe:2.3:a:mcrypt:libmcrypt:2.5_.0:*:*:*:*:*:*:* | 2.5_.0 | Vulnerable | Mcrypt |
- cpe:2.3:a:mcrypt:libmcrypt:2.5.1_r4:*:*:*:*:*:*:* Versions 2.5.1_r4 Vulnerable ·Mcrypt
- cpe:2.3:a:mcrypt:libmcrypt:2.5.2:*:*:*:*:*:*:* Versions 2.5.2 Vulnerable ·Mcrypt
- cpe:2.3:a:mcrypt:libmcrypt:2.5.3:*:*:*:*:*:*:* Versions 2.5.3 Vulnerable ·Mcrypt
- cpe:2.3:a:mcrypt:libmcrypt:2.5_.0:*:*:*:*:*:*:* Versions 2.5_.0 Vulnerable ·Mcrypt
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0032
- 2026-10-03 Alias added: GHSA-mqv7-5qm9-7p9x
References
More Mcrypt Libmcrypt vulnerabilities
- TI-2003-00027 Multiple buffer overflows in libmcrypt before 2.5.5 allow attackers to cause a denial of service (crash). CVSS 2.0HIGH 7.5
Sources
- CVE-2003-0032 · CVE Program
- CVE-2003-0032 · NVD
- FIRST EPSS
- GHSA-mqv7-5qm9-7p9x · GitHub Advisory Database · CC BY 4.0
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