CVE-2026-116013
MEDIUM
6,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
LOW
3,7
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low
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.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0029
Percentile
0,2th
Updated
Single Data Point
Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.
130
Improper Handling of Length Parameter Inconsistency
IncompleteCommon Consequences
Security Scopes Affected:
Confidentiality
Integrity
Potential Impacts:
Read Memory
Modify Memory
Varies By Context
Applicable Platforms
Languages:
C, C++, Not Language-Specific
https://github.com/openresty/lua-resty-dns/blob/v0.23/lib/resty/dns/resolver.lu…
https://github.com/openresty/lua-resty-dns/commit/b68eaecbf7997ac71c08ba56032b1…
https://github.com/openresty/lua-resty-dns/pull/83
https://github.com/openresty/lua-resty-dns/tree/v0.24
https://www.vulncheck.com/advisories/openresty-lua-resty-dns-before-0.24-denial…