EUVD-2026-44580

Buffer Overflow vulnerability in OpenHTJ2K v.0.18.4 and before allows an attacker to execute arbitrary code via the j2kprecinctsubband::parsepacketheader in source/core/coding/codingunits.cpp...

EUVD-2026-44581

Buffer Overflow vulnerability in OpenHTJ2K v.0.18.4 and before allows an attacker to execute arbitrary code via the openhtj2kdecoderimpl::invoke, invokelinebased, invokelinebasedstream, and invokelinebasedpredecoded function in source/core/interface/decoder.cpp...

CVE-2026-51808

Buffer Overflow vulnerability in OpenHTJ2K v.0.18.4 and before allows an attacker to execute arbitrary code via the openhtj2kdecoderimpl::invoke, invokelinebased, invokelinebasedstream, and invokelinebasedpredecoded function in source/core/interface/decoder.cpp...

CVE-2026-51807

Heap-based out-of-bounds write in j2kprecinctsubband::parsepacketheader in OpenHTJ2K versions 0.18.3 and earlier fixed in v0.18.4 caused by missing bounds validation before coding-pass lengths are written to j2kcodeblock::passlength128. A crafted JPEG 2000 codestream containing malformed PPM pack...

CVE-2026-51808

Buffer Overflow vulnerability in OpenHTJ2K v.0.18.4 and before allows an attacker to execute arbitrary code via the openhtj2kdecoderimpl::invoke, invokelinebased, invokelinebasedstream, and invokelinebasedpredecoded function in source/core/interface/decoder.cpp...

CVE-2026-51807

Heap-based out-of-bounds write in j2kprecinctsubband::parsepacketheader in OpenHTJ2K versions 0.18.3 and earlier fixed in v0.18.4 caused by missing bounds validation before coding-pass lengths are written to j2kcodeblock::passlength128. A crafted JPEG 2000 codestream containing malformed PPM pack...

CVE-2026-51807

OpenHTJ2K is affected by a Buffer Overflow vulnerability in versions prior to 0.18.5 due to a flaw in j2k_precinct_subband::parse_packet_header() within source/core/coding/coding_units.cpp. Exploitation could allow an attacker to execute arbitrary code. A fix exists in newer releases (e.g., 0.18....

CVE-2026-51808

OpenHTJ2K is affected by CVE-2026-51808, a buffer overflow in versions prior to 0.18.4 that can lead to arbitrary code execution. The issue arises in openhtj2k_decoder_impl::invoke, invoke_line_based, invoke_line_based_stream, and invoke_line_based_predecoded within source/core/interface/decoder....

CVE-2026-51807

Heap-based out-of-bounds write in j2kprecinctsubband::parsepacketheader in OpenHTJ2K versions 0.18.3 and earlier fixed in v0.18.4 caused by missing bounds validation before coding-pass lengths are written to j2kcodeblock::passlength128. A crafted JPEG 2000 codestream containing malformed PPM pack...

PT-2026-58863

Name of the Vulnerable Software and Affected Versions OpenHTJ2K versions prior to 0.18.4 Description A buffer overflow allows an attacker to execute arbitrary code. The issue exists within the openhtj2k decoder impl::invoke, invoke line based, invoke line based stream, and invoke line based...

PT-2026-58862

Name of the Vulnerable Software and Affected Versions OpenHTJ2K versions prior to 0.18.5 Description A buffer overflow exists that allows an attacker to execute arbitrary code. The issue occurs within the j2k precinct subband::parse packet header function located in source/core/coding/coding...

CVE-2026-51807

Heap-based out-of-bounds write in j2kprecinctsubband::parsepacketheader in OpenHTJ2K versions 0.18.3 and earlier fixed in v0.18.4 caused by missing bounds validation before coding-pass lengths are written to j2kcodeblock::passlength128. A crafted JPEG 2000 codestream containing malformed PPM pack...

CVE-2026-51808

Buffer Overflow vulnerability in OpenHTJ2K v.0.18.4 and before allows an attacker to execute arbitrary code via the openhtj2kdecoderimpl::invoke, invokelinebased, invokelinebasedstream, and invokelinebasedpredecoded function in source/core/interface/decoder.cpp...

CVE-2026-51807

Heap-based out-of-bounds write in j2kprecinctsubband::parsepacketheader in OpenHTJ2K versions 0.18.3 and earlier fixed in v0.18.4 caused by missing bounds validation before coding-pass lengths are written to j2kcodeblock::passlength128. A crafted JPEG 2000 codestream containing malformed PPM pack...

CVE-2026-51808

Buffer Overflow vulnerability in OpenHTJ2K v.0.18.4 and before allows an attacker to execute arbitrary code via the openhtj2kdecoderimpl::invoke, invokelinebased, invokelinebasedstream, and invokelinebasedpredecoded function in source/core/interface/decoder.cpp...

CVE-2021-45935

Grok 9.5.0 has a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress called from std::1::packagedtaskfuncstd::1::bindgrk::T1DecompressScheduler::deco and std::1::packagedtaskint...

Grok Buffer Overflow Vulnerability

Grok is a regular expression that uses a combination of multiple predefined . A tool used to match split text and map to keywords. Often used to preprocess log data. A buffer overflow vulnerability exists in Grok version 9.5.0, which stems from the product's openhtj2k::T1OpenHTJ2K::decompress...

CVE-2021-45935

Grok 9.5.0 has a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress called from std::1::packagedtaskfuncstd::1::bindgrk::T1DecompressScheduler::deco and std::1::packagedtaskint...

CVE-2021-45935

Grok 9.5.0 has a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress called from std::1::packagedtaskfunc...

DEBIAN-CVE-2021-45935

Grok 9.5.0 has a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress called from std::1::packagedtaskfuncstd::1::bindgrk::T1DecompressScheduler::deco and std::1::packagedtaskint...