CVE-2026-51808

Status: DeferredCritical (9.8)—

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

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base score: 9.8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.85%
Percentile among all scored CVEs: 57
Score date: 10/5/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1190 Exploit Public-Facing Applicationinitial access95 %
Primary impactT1059 Command and Scripting Interpreterexecution90 %

Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N indica red sin autenticación. Buffer overflow en decoder remoto permite ejecución arbitraria de código según descripción.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Privileged Account Management Vulnerability Scanning Restrict Web-Based Content Network Segmentation Limit Software Installation Limit Access to Resource Over Network

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Openhtj2k — Openhtj2k^AI

CWEs

CWE-120

References

Raw JSON (NVD)

Show

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          "options": [
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          "version": "2.0.3",
          "timestamp": "2026-07-15T14:01:46.588685Z"
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  "published": "2026-07-14T23:17:29.957",
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      "url": "https://github.com/osamu620/OpenHTJ2K/blob/main/CHANGELOG",
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      "url": "https://github.com/osamu620/OpenHTJ2K/pull/320",
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  "lastModified": "2026-07-15T19:50:11.367",
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