CVE-2026-51808

CRITICAL

OpenHTJ2K < 0.18.5 - Remote Code Execution via Buffer Overflow in Decoder Functions

Title source: llm
STIX 2.1

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

Scores

CVSS v3 9.8
EPSS 0.0048
EPSS Percentile 38.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-120
Status published
Published Jul 14, 2026
Tracked Since Jul 15, 2026