Buffer overflow in Samtools Htslib
CVE-2026-31962
HTSlib is a library for reading and writing bioinformatics file formats. CRAM is a compressed format which stores DNA sequence alignment data. While most alignment records store DNA sequence and quality values, the format also allows them…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (21.5th percentile) — read the EPSS interpretation.
Affected products
- Samtools Htslib — versions < 1.21.1, >= 1.22, < 1.22.2, = 1.23
Weakness classification (CWE)
References
- https://github.com/samtools/htslib/security/advisories/GHSA-xxmp-v7h3-gpwp (x_refsource_CONFIRM)
- https://github.com/samtools/htslib/commit/d799b54c6401879187bba4741be83ff590ac73e3 (x_refsource_MISC)