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.
Published: 2026-10-24
Score: 6.3 Medium
EPSS: n/a
KEV: No
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Sat, 24 Oct 2026 11:45:00 +0000

Type Values Removed Values Added
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.
Title OpenResty lua-resty-dns before 0.24 Denial of Service via DNS Response Parsing
Weaknesses CWE-130
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-24T11:40:31.527Z

Reserved: 2026-10-24T11:23:54.934Z

Link: CVE-2026-116013

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-24T12:16:57.437

Modified: 2026-10-24T12:16:57.437

Link: CVE-2026-116013

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-24T12:30:08Z

Weaknesses