CVE-2023-51771

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Published Dec 25, 2023 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:starnight:micro_http_server:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2023-56459	In MicroHttpServer (aka Micro HTTP Server) through a8ab029, _ParseHeader in lib/server.c allows a one-byte recv buffer overflow via a long URI.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.701% probability within 30 days)

Exploitation poc

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/starnight/MicroHttpServer/issues/8
https://github.com/starnight/MicroHttpServer/tree/a8ab029c9a26a4c9f26b9d8a2757b8299aaff120

History

Apr 23, 2025 5:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Starnight Micro Http Server

Weaknesses

CWE-120

Sources

CVE record Updated: Apr 23, 2025, 4:15 PM

Status: PUBLISHED
Assigner: mitre
Published: Dec 25, 2023, 12:00 AM
Updated: Apr 23, 2025, 4:15 PM
Reserved: Dec 25, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 10:48 PM

Updated: Aug 2, 2024, 10:48 PM

NVD Updated: Jun 17, 2026, 6:41 AM

Status: Modified
Published: Dec 25, 2023, 5:15 AM
Modified: Jun 17, 2026, 6:41 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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