JLSEC-2026-544

opjt1clbldecodeprocessor in openjp2/t1.c in OpenJPEG 2.3.1 through 2020-01-28 has a heap-based buffer overflow in the qmfbid==1 case, a different issue than CVE-2020-6851...

opj_t1_clbl_decode_processor in openjp2/t1.c in OpenJPEG 2.3.1 through 2020-01-28 has a heap-based buffer overflow in the qmfbid==1 case a different issue than CVE-2020-6851.

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The vulnerability of the opj_t1_clbl_decode_processor function (openjp2/t1.c) in the OpenJPEG image encoding and decoding library allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the opjt1clbldecodeprocessor function in the OpenJPEG image encoding and decoding library is related to writing beyond the buffer boundaries in memory when qmfbid == 1. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...