Is CVE-2003-0390 in the CISA KEV catalog?

No. CVE-2003-0390 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2003-0390?

CVE-2003-0390 has a CVSS v2 base score of 4.6 (MEDIUM).

What is the EPSS score for CVE-2003-0390?

CVE-2003-0390 has an EPSS score of 1.03% (59th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2003-0390?

Upgrade opt on debian 11 to 3.19 or later.

CVE & CISA-KEV Catalog

CVE-2003-0390

MEDIUM

4.6

CVSS v2

NVD

Description

Multiple buffer overflows in Options Parsing Tool (OPT) shared library 3.18 and earlier, when used in setuid programs, may allow local users to execute arbitrary code via long command line options that are fed into macros such as opt_warn_2, as used in functions such as opt_atoi.

How to fix

Remediation Available

optDebian

Fixed in:3.19CVE-2003-0390

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.03%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Patch1

nis-www.lanl.gov

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.