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CVE-2026-4891

CVE-2026-4891

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.92rel2
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

A heap-based out-of-bounds read vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • dnsmasq dnsmasq

    fixed in 2.92rel2

References 6

lists.thekelleys.org.uk

kb.cert.org

thekelleys.org.uk

GitHub · NixOS/nixpkgs

GitHub · pi-hole/FTL