CVE-2026-51808

EUVD-2026-44581
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
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 10%
Common Weakness Enumeration
References
https://github.com/osamu620/OpenHTJ2K/blob/main/CHANGELOG
https://github.com/osamu620/OpenHTJ2K/pull/320
https://github.com/osamu620/OpenHTJ2K/releases/tag/v0.18.5
https://github.com/osamu620/OpenHTJ2K/pull/320