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.
Conclusion & alert: CVE-2003-0032 is rated Moderate Risk (45.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.54%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.79% | 1.54% | +0.75% |
| 2 | 2025-03-17 | 0.41% | 0.79% | +0.37% |
| 3 | 2023-08-09 | — | 0.41% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2003-0032 not yet assigned priority: Debian including 1 source packages (libmcrypt), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2003-0032 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mcrypt | libmcrypt | 2.5.1_r4 | cpe:2.3:a:mcrypt:libmcrypt:2.5.1_r4:*:*:*:*:*:*:* |
| mcrypt | libmcrypt | 2.5.2 | cpe:2.3:a:mcrypt:libmcrypt:2.5.2:*:*:*:*:*:*:* |
| mcrypt | libmcrypt | 2.5.3 | cpe:2.3:a:mcrypt:libmcrypt:2.5.3:*:*:*:*:*:*:* |
| mcrypt | libmcrypt | 2.5_.0 | cpe:2.3:a:mcrypt:libmcrypt:2.5_.0:*:*:*:*:*:*:* |