OSV-2026-882 Null-dereference READ in cram_decoder_init

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=520827587 Crash type: Null-dereference READ Crash state: cramdecoderinit cramdecodecompressionheader cramnextslice...

CVE-2026-31971 HTSlib CRAM decoder vulnerable to buffer overflow

HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. When reading data encoded using the BYTEARRAYLEN method, the crambytearraylendecode failed to validat...

CVE-2026-31969 HTSlib CRAM decoder has a heap buffer overflow

HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. When reading data encoded using the BYTEARRAYSTOP method, an out-by-one error in the...

CVE-2026-31969 HTSlib CRAM decoder has a heap buffer overflow

HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. When reading data encoded using the BYTEARRAYSTOP method, an out-by-one error in the...

CVE-2026-31968 HTSlib CRAM decoder vulnerable to buffer overflow

HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. For the VARINT and CONST encodings, incomplete validation of the context in which the encodings were...

CVE-2026-31968 HTSlib CRAM decoder vulnerable to buffer overflow

HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. For the VARINT and CONST encodings, incomplete validation of the context in which the encodings were...

CVE-2026-31968

HTSlib CRAM decoder (CVE-2026-31968) has incomplete validation in the VARINT and CONST encodings, which can cause writes past heap allocations or a stack byte, potentially enabling heap or stack corruption and, in some streams, arbitrary code execution. Affected versions are 1.23.1, 1.22.2, and 1...

CVE-2026-31968 HTSlib CRAM decoder vulnerable to buffer overflow

HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. For the VARINT and CONST encodings, incomplete validation of the context in which the encodings were...

CVE-2026-31964 HTSlib CRAM decoder has a NULL Pointer Dereference

HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. While most alignment records store DNA sequence and quality values, the format also allows them to om...

CVE-2026-31964 HTSlib CRAM decoder has a NULL Pointer Dereference

HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data using a variety of encodings and compression methods. While most alignment records store DNA sequence and quality values, the format also allows them to om...

PT-2023-36004 · Git +1 · Htslib

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided description. Description: A heap-buffer-overflow READ 1 crash has been reported. The crash involves the uint7 get 64, cram huffman decode init, and cram decoder init functions. No...