CVE-2026-4890

HIGH

dnsmasq < 2.93 - Denial of Service via DNSSEC Validation

Title source: llm
STIX 2.1

Description

A Denial of Service (DoS) 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 7.5
EPSS 0.0724
EPSS Percentile 93.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-835
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