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Fencer Vulns
medium 4.6

CVE-2003-0390 json

Multiple buffer overflows in Options Parsing Tool (OPT) shared library 3.18 and earlier, when used in setuid programs, may allow local user…

published 2003-06-10 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0384

cvss
4.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
2
Exploit-DB

Summary

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.

Patch / fix

  • opt Debian 14, Debian 13, Debian 12 3.19

debian advisories DEBIAN-CVE-2003-0390

Timeline

  1. First public exploit (EDB-22538)
  2. Published

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-22538 Libopt.a 3.1x - Error Logging Buffer Overflow (2) local, 2003-04-24
  • EDB-22537 Libopt.a 3.1x - Error Logging Buffer Overflow (1) dos, 2003-04-24

CVSS scores

assigned by version score vector
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.