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Affected Component
Analysis
dnsdist
Exploitable
Name
CVE-2026-27854
Description
An attacker might be able to trigger a use-after-free by sending crafted DNS queries to a DNSdist using the DNSQuestion:getEDNSOptions method in custom Lua code. In some cases DNSQuestion:getEDNSOptions might refer to a version of the DNS packet that has been modified, thus triggering a use-after-free and potentially a crash resulting in denial of service.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
4.8
CVSSv31
7.5
CVSSv31
NaN
other
Others affected component#
Name
Project
Project Version
Version
Status
openwrt
master
2.0.6-r1
Not Affected