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CVE-2026-51808 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

Buffer Overflow vulnerability in OpenHTJ2K v.0.18.4 and before allows an attacker to execute arbitrary code via the openhtj2k_decoder_impl::invoke, invoke_line_based, invoke_line_based_stream, and invoke_line_based_predecoded function in source/core/interface/decoder.cpp

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: CISA-ADPCVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/osamu620/OpenHTJ2K/pull/320	CISA-ADP	Issue TrackingVendor
https://github.com/osamu620/OpenHTJ2K/blob/main/CHANGELOG	[email protected]	Release NotesVendor
https://github.com/osamu620/OpenHTJ2K/pull/320	[email protected]	Issue TrackingVendor
https://github.com/osamu620/OpenHTJ2K/releases/tag/v0.18.5	[email protected]	AdvisoryRemedyVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	CISA-ADP

Affected Products

Product	Versions
OpenHTJ2K	<= 0.18.4 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 0.18.5moderate effort

Change History

2 change records found show changes

Date	Action	Recorded By
Jul 15, 2026	CVE Modified	CISA-ADP
Jul 14, 2026	New CVE Received	[email protected]