CVE-2026-4891

MEDIUM

dnsmasq < 2.93 and < 2.92rel2 - Denial of Service via DNSSEC Validation

Title source: llm
STIX 2.1

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.

References (15)

Core 15
Core References

Scores

CVSS v3 5.3
EPSS 0.0623
EPSS Percentile 92.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (3)
dnsmasq/dnsmasq < 2.92rel2
dnsmasq/dnsmasq 2.92rel2
dnsmasq/dnsmasq 2.93
Published May 11, 2026
Tracked Since May 11, 2026