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Unrated severityNVD Advisory· Published Nov 23, 2004· Updated Jun 16, 2026

CVE-2004-0257

CVE-2004-0257

Description

OpenBSD 3.4 and NetBSD 1.6 and 1.6.1 allow remote attackers to cause a denial of service (crash) by sending an IPv6 packet with a small MTU to a listening port and then issuing a TCP connect to that port.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

9
  • OpenBSD/OpenBSDllm-fuzzy6 versions
    3.4+ 5 more
    • (no CPE)range: 3.4
    • cpe:2.3:o:openbsd:openbsd:3.0:*:*:*:*:*:*:*
    • cpe:2.3:o:openbsd:openbsd:3.1:*:*:*:*:*:*:*
    • cpe:2.3:o:openbsd:openbsd:3.2:*:*:*:*:*:*:*
    • cpe:2.3:o:openbsd:openbsd:3.3:*:*:*:*:*:*:*
    • cpe:2.3:o:openbsd:openbsd:3.4:*:*:*:*:*:*:*
  • NetBSD/NetBSDllm-fuzzy3 versions
    1.6, 1.6.1+ 2 more
    • (no CPE)range: 1.6, 1.6.1
    • cpe:2.3:o:netbsd:netbsd:1.6:*:*:*:*:*:*:*
    • cpe:2.3:o:netbsd:netbsd:1.6.1:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

8

News mentions

0

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