Is CVE-2026-116013 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-116013?

CVE-2026-116013 has a CVSS v3 severity of LOW (3.7).

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CVE-2026-116013

Description

OpenResty lua-resty-dns before 0.24 contains an improper input validation vulnerability in parse_section() and _decode_name() that fails to check resource record lengths against the received message. Attackers controlling or spoofing a queried nameserver can send truncated record headers or RDATA, raising uncaught Lua exceptions in resolver:query() that abort requests and break name resolution.