CVE catalog

CVE-2003-0709

whois: CVE-2003-0709

Severity: Medium
Published: Oct 20, 2003, 4:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 2.80% · Oct 25, 2026

Buffer overflow in the whois client, which is not setuid but is sometimes called from within CGI programs, may allow remote attackers to execute arbitrary code via a long command line option.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	whois	sid	`5.6.6`	fixed
Debian	whois	forky	`5.6.6`	fixed
Debian	whois	trixie	`5.6.3`	fixed
Debian	whois	bookworm	`5.5.17`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	whois	source	sid	`4.6.7`	not yet assigned	Not reported	Not reported
Debian	whois	source	forky	`4.6.7`	not yet assigned	Not reported	Not reported
Debian	whois	source	trixie	`4.6.7`	not yet assigned	Not reported	Not reported
Debian	whois	source	bookworm	`4.6.7`	not yet assigned	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[whois]Fixed
Details (4)
- 5.5.17 · amd64 · bookworm
  Fixed · Fixed: 4.6.7
  dsa · whois · debian · bookworm; dsa · whois · debian · 12
- 5.5.17 · arm64 · bookworm
  Fixed · Fixed: 4.6.7
  dsa · whois · debian · bookworm; dsa · whois · debian · 12
- 5.6.2~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 4.6.7
  dsa · whois · debian · bookworm; dsa · whois · debian · 12
- 5.6.2~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 4.6.7
  dsa · whois · debian · bookworm; dsa · whois · debian · 12

[Debian 13 (Trixie)]

[whois]Fixed
Details (2)
- 5.6.3 · amd64 · trixie
  Fixed · Fixed: 4.6.7
  dsa · whois · debian · 13
- 5.6.3 · arm64 · trixie
  Fixed · Fixed: 4.6.7
  dsa · whois · debian · 13

Observed: Oct 23, 2026, 5:02:17 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]