Out-of-bounds Write Affecting dnsmasq package, versions [2.92,2.93)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.48% (38th percentile)

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  • Snyk IDSNYK-UNMANAGED-DNSMASQ-16125197
  • published22 Apr 2026
  • disclosed17 Apr 2026
  • creditUnknown

Introduced: 17 Apr 2026

CVE-2026-6507  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade dnsmasq to version 2.93 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write in the processing of BOOTREPLY packets when the --dhcp-split-relay option is enabled. An attacker can cause memory corruption and crash the daemon by sending specially crafted network packets.

CVSS Base Scores

version 4.0
version 3.1