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CVE-2023-50965

In MicroHttpServer (aka Micro HTTP Server) through 4398570, _ReadStaticFiles in lib/middleware.c...

9.8 CriticalPublic exploit

In MicroHttpServer (aka Micro HTTP Server) through 4398570, _ReadStaticFiles in lib/middleware.c allows a stack-based buffer overflow and potentially remote code execution via a long URI.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.53%Up 1.4 points since Dec 17, 2023
90%50%10%1%

What each source reports

NVD Score used 9.8

In MicroHttpServer (aka Micro HTTP Server) through 4398570, _ReadStaticFiles in lib/middleware.c allows a stack-based buffer overflow and potentially remote code execution via a long URI.

Record
CVE-2023-50965
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

In MicroHttpServer (aka Micro HTTP Server) through 4398570, _ReadStaticFiles in lib/middleware.c allows a stack-based buffer overflow and potentially remote code execution via a long URI.

Record
CVE-2023-50965
Updated
2026-11-02
EUVDEUVD-2023-55694 No score

In MicroHttpServer (aka Micro HTTP Server) through 4398570, _ReadStaticFiles in lib/middleware.c allows a stack-based buffer overflow and potentially remote code execution via a long URI.

Record
EUVD-2023-55694
Updated
2026-11-03
GitHub AdvisoriesGHSA-53f2-8mjf-vj4j 9.8

In MicroHttpServer (aka Micro HTTP Server) through 4398570, _ReadStaticFiles in lib/middleware.c...

In MicroHttpServer (aka Micro HTTP Server) through 4398570, _ReadStaticFiles in lib/middleware.c allows a stack-based buffer overflow and potentially remote code execution via a long URI.

Record
GHSA-53f2-8mjf-vj4j
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubDaviGSantana/CVE-2023-509652026-03-16

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-50965 is a critical vulnerability (CVSS 9.8) in Starnight Micro Http Server, published December 17, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.53%, the 74th percentile. No source names a fixed version.

References

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