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

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.

The EPSS score is 0.0048.

Exploitation poc

Automatable yes

Technical Impact total

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 —

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/osamu620/OpenHTJ2K/blob/main/CHANGELOG cve-icon
https://github.com/osamu620/OpenHTJ2K/pull/320 cve-icon cve-icon
https://github.com/osamu620/OpenHTJ2K/releases/tag/v0.18.5 cve-icon
History

Wed, 22 Jul 2026 10:30:00 +0000

Type Values Removed Values Added
Title Buffer Overflow in OpenHTJ2K Image Decoder Enables Remote Code Execution

Fri, 17 Jul 2026 23:30:00 +0000

Type Values Removed Values Added
Title Buffer Overflow in OpenHTJ2K Decoder Functions Enables Remote Code Execution

Thu, 16 Jul 2026 08:15:00 +0000

Type Values Removed Values Added
Title Buffer Overflow in OpenHTJ2K Decoder Functions Enables Remote Code Execution

Wed, 15 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-120
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 14 Jul 2026 22:45:00 +0000

Type Values Removed Values Added
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
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-07-15T14:01:51.284Z

Reserved: 2026-06-08T00:00:00.000Z

Link: CVE-2026-51808

cve-icon Vulnrichment

Updated: 2026-07-15T14:00:39.498Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-22T10:15:02Z

Weaknesses