CVE-2026-116013
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.
Published:Oct 24, 2026
Last Modified:Oct 29, 2026
EPS:Oct 24, 2026
EPSS Score:0.00288
CVSS Score:3.7
Affected Products
Vendor
Product
Action
Vendor
Openresty
Product
Lua-resty-dns
Openresty
Lua-resty-dns
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
