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CVE-2026-4893

CVE-2026-4893

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.92rel2
1 proof of concept on GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

An information disclosure vulnerability in dnsmasq allows remote attackers to bypass source checks via a crafted DNS packet with RFC 7871 client subnet information.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • dnsmasq dnsmasq

    fixed in 2.92rel2

References 7

kb.cert.org

lists.thekelleys.org.uk

thekelleys.org.uk

GitHub · NixOS/nixpkgs

GitHub · pi-hole/FTL

GitHub · lottiedeyan/CVE20264893poc