CVE-2026-24797 - Vulnerability Details - OpenCVE

Out-of-bounds Write vulnerability in neka-nat cupoch (third_party/libjpeg-turbo/libjpeg-turbo modules). This vulnerability is associated with program files tjbench.C. This issue affects cupoch.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact Low

Subsequent System Availability Impact Low

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Neka-nat	Cupoch

No data.

No data.

References

Link	Providers
https://github.com/neka-nat/cupoch/pull/138

History

Tue, 27 Jan 2026 22:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 27 Jan 2026 20:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Neka-nat Neka-nat cupoch
Vendors & Products		Neka-nat Neka-nat cupoch

Tue, 27 Jan 2026 08:30:00 +0000

Type	Values Removed	Values Added
Description		Out-of-bounds Write vulnerability in neka-nat cupoch (third_party/libjpeg-turbo/libjpeg-turbo modules). This vulnerability is associated with program files tjbench.C. This issue affects cupoch.
Title		An out of bounds write due to a missing bounds check in neka-nat/cupoch
Weaknesses		CWE-787
References		https://github.com/neka-nat/cupoch/pull/138
Metrics		cvssV4_0 `{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L/AU:Y/R:A/RE:M/U:Amber'}`

MITRE

Status: PUBLISHED

Assigner: GovTech CSG

Published: 2026-01-27T08:25:17.496Z

Updated: 2026-01-27T21:38:37.425Z

Reserved: 2026-01-27T08:18:43.268Z

Link: CVE-2026-24797

Vulnrichment

Updated: 2026-01-27T21:09:40.532Z

NVD

Status : Awaiting Analysis

Published: 2026-01-27T09:15:49.510

Modified: 2026-01-27T14:59:34.073

Link: CVE-2026-24797

Redhat

No data.

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