CVE-2000-0333: tcpdump, Ethereal, and other sniffer packages allow remote attackers to cause a denial of service via malformed DNS pack

Published n/a Updated 2026-08-21T04:30:46.799Z

Summary

tcpdump, Ethereal, and other sniffer packages allow remote attackers to cause a denial of service via malformed DNS packets in which a jump offset refers to itself, which causes tcpdump to enter an infinite loop while decompressing the packet.

Severity

UNKNOWN

Source Attribution

Source: NVD · Updated: 2026-08-21T04:30:46.799Z · Confidence: high

Impact

Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.

Affected Software

Fix

Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.

References