DoS in lua-http library
Priority MEDIUM 41CWE-755Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Improper Handling of Exceptional Conditions vulnerability in Daurnimator lua-http library allows Excessive Allocation and a denial of service (DoS) attack to be executed by sending a properly crafted request to the server. Such a request causes the program to enter an infinite loop. This issue affects lua-http: all versions before commit ddab283.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0109 65th percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
No affected products listed by the sources yet.
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:daurnimator:lua-http:0.4:*:*:*:*:lua:*:* | 0.4 | Vulnerable | Daurnimator |
- cpe:2.3:a:daurnimator:lua-http:0.4:*:*:*:*:lua:*:* Versions 0.4 Vulnerable ·Daurnimator
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2023-4540
- 2026-10-03 Alias added: GHSA-947g-gmvh-r5rp
References
Sources
- CVE-2023-4540 · CVE Program
- CVE-2023-4540 · NVD
- FIRST EPSS
- GHSA-947g-gmvh-r5rp · GitHub Advisory Database · CC BY 4.0
- CVE-2023-4540 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences