Out-of-bounds Read Affecting dnsmasq package, versions *


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.84% (56th percentile)

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  • Snyk IDSNYK-CENTOS7-DNSMASQ-16700620
  • published15 May 2026
  • disclosed9 May 2026

Introduced: 9 May 2026

CVE-2026-4891  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 dnsmasq.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dnsmasq package and not the dnsmasq package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1