CVE-2003-0032

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.

Published: 2003-01-17 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2003-0032

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0032

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2003-0032

OS Trackers for CVE-2003-0032

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

Affected software / configurations for 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:*:*:*:*:*:*:*

References for CVE-2003-0032

cvelogic Threat Intelligence