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TI-2023-28399 Aliases CVE-2023-51771GHSA-9rj5-9jpj-cqqh

In MicroHttpServer (aka Micro HTTP Server) through a8ab029, _ParseHeader in lib/server.c…

Priority HIGH 81CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

In MicroHttpServer (aka Micro HTTP Server) through a8ab029, _ParseHeader in lib/server.c allows a one-byte recv buffer overflow via a long URI.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00701 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:starnight:micro_http_server:-:*:*:*:*:*:*:*not specified by NVDVulnerableStarnight
  • cpe:2.3:a:starnight:micro_http_server:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Starnight

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-51771
  2. 2026-10-03 Alias added: GHSA-9rj5-9jpj-cqqh

References

Exploit 1

Other 1

  • TI-2023-27856 In MicroHttpServer (aka Micro HTTP Server) through 4398570, _ReadStaticFiles in… CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences