VULNERABILITY INTELLIGENCE

CVE-2026-4891

CVSS score5.3 MEDIUM
EPSS probability6.41%
CISA KEVNot currently listed
Published2026-05-11
Last modified2026-08-25
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

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.

Weakness classification

  • CWE-125: Out-of-bounds Read

Primary references