CVE-2026-31973 NULL pointer dereference in samtools cram-size

SAMtools is a program for reading, manipulating and writing bioinformatics file formats. Starting in version 1.17, in the cram-size command, used to write information about how well CRAM files are compressed, a check to see if the cramdecodecompressionheader was missing. If the function returned ...

CVE-2026-31973 NULL pointer dereference in samtools cram-size

SAMtools is a program for reading, manipulating and writing bioinformatics file formats. Starting in version 1.17, in the cram-size command, used to write information about how well CRAM files are compressed, a check to see if the cramdecodecompressionheader was missing. If the function returned ...

CVE-2026-31973

SAMtools includes a NULL pointer dereference in the cram-size path of CRAM header handling: if cram_decode_compression_header() returns an error, a NULL pointer dereference may occur, crashing the program. This affects 1.17+ before fixes. The available connected advisories confirm fixes in versio...