Buffer overflow in Samtools Htslib
CVE-2026-31971
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 `BYTE_A…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (30.8th 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-jvx4-4wq7-6fmh (x_refsource_CONFIRM)
- https://github.com/samtools/htslib/commit/01cd003b46fa2ebea4d9be5475b11217eb4c11be (x_refsource_MISC)