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CVE-2026-4892
Component Overview
Vulnerability Overview
Name
CVE-2026-4892
Source
NVD (
link
)
Debian (
link
)
Description
A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet.
CWEs
CWE-122
Published Date
May 11, 2026
Updated Date
Jul 23, 2026
Workaround
-
Advisories
Analysis
#
Affected Component
Analysis
dnsmasq
Exploitable
Vulnerability Ratings
#
8.4
CVSSv31
8.8
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
dnsmasq
buildroot
2025.02.x
2.92rel2
Not Affected
dnsmasq
buildroot
master
2.93
Not Affected
dnsmasq
openwrt
master
2.93-r2
Not Affected
dnsmasq
openwrt
openwrt-25.12
2.93-r1
Not Affected
dnsmasq
yocto
kirkstone
2.90
Exploitable
dnsmasq
yocto
master
2.93
Not Affected