Nmap 7.99 - Extension Header Integer Underflow

Nmap 7.99 - Extension Header Integer Underflow

Published 19 Oct 2026Updated 19 Oct 20267 sources
CVSS 0.0 ✓ VERIFIED REFERENCE

What happened

Nmap 7.99 Extension Header Integer Underflow

Affected versions

Unknown product: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references