EUVD-2026-17409

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...

CVE-2026-27854 Use after free when parsing EDNS options in Lua

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...

CVE-2026-27854

Summary of CVE-2026-27854 : An attacker could trigger a use-after-free when parsing EDNS options via the DNSQuestion:getEDNSOptions method within custom Lua code used by dnsdist. This may occur when a crafted DNS query references a modified DNS packet version, potentially causing a crash and deni...