๐Ÿ›ก๏ธ CVE-2026-31973
๐ŸŸ  CVSS 7.5 โ€” High โœ… No Known Exploit CWE-476 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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 `cram_decode_compression_header()` was missing. If the function returned an error, this could lead to a NULL pointer dereference. Exploiting this bug causes a NULL pointer dereference. Typically this will cause the program to crash. Versions 1.23.1, 1.22.2 and 1.21.1 include fixes for this issue. There is no workaround for this issue.

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-476
Public Exploit โœ… No
Source NVD
Published 2026-03-18
Updated 2026-06-02
Modified 2026-03-19

Affected Packages

Software From version Fixed in
samtools โ€” โ€”

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