CVE-2020-36403: Htslib

High severity, CVSS 8.8. EPSS: 1.6% chance of exploitation in the next 30 days.

HTSlib through 1.10.2 allows out-of-bounds write access in vcf_parse_format (called from vcf_parse and vcf_read).

Affected products

• Htslib Htslib: up to and including 1.10.2

Published 2021-07-01. Last modified 2026-06-17.