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CVE-2003-0031

19
FAUCET Score

CVE-2003-0031 describes multiple buffer overflow vulnerabilities in libmcrypt versions prior to 2.5.5, impacting the mcrypt library. This vulnerability carries a CVSS score of 7.5, indicating a high severity risk where unauthenticated attackers can remotely trigger a denial of service (crash) with low attack complexity. Despite its severity, there is no evidence of active exploitation, no publicly available exploit code in Metasploit or ExploitDB, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.5.1_r4CPE matchmatch criteria
cpe:2.3:a:mcrypt:libmcrypt:2.5.1_r4:*:*:*:*:*:*:*
2.5.2CPE matchmatch criteria
cpe:2.3:a:mcrypt:libmcrypt:2.5.2:*:*:*:*:*:*:*
2.5.3CPE matchmatch criteria
cpe:2.3:a:mcrypt:libmcrypt:2.5.3:*:*:*:*:*:*:*
2.5_.0CPE matchmatch criteria
cpe:2.3:a:mcrypt:libmcrypt:2.5_.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.73%
Probability of exploitation in next 30 days
EPSS Percentile
75.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0173 is in the 58th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

debianpatch availablevia nvd_reference
View patch

References

distro.conectiva.com.br / atualizacoes
marc.info
marc.info
debian.org / security/2003/dsa-228
PatchVendor Advisory
securityfocus.com / bid/6510
securitytracker.com / id