Description
HTSlib through 1.10.2 allows out-of-bounds write access in vcf_parse_format (called from vcf_parse and vcf_read).
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | htslib | 1.11-1 | — |
| Debian 13 | htslib | 1.11-1 | — |
| Debian 12 | htslib | 1.11-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | htslib | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | htslib | No fix yet | — |
| Ubuntu Pro 16.04 LTS | htslib | No fix yet | — |
| Ubuntu Pro 14.04 LTS | htslib | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP3 | libhts | 1.10.2-bp153.2.5.1 | openSUSE-SU-2021:1177-1 |
| SUSE Package Hub 15 SP2 | libhts | 1.10.2-bp153.2.5.1 | openSUSE-SU-2021:1177-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | libhts | 1.10.2-bp153.2.5.1 | openSUSE-SU-2021:1177-1 |
| openSUSE Leap 15.2 | libhts | 1.10.2-bp153.2.5.1 | openSUSE-SU-2021:1177-1 |
Advisories 1
- openSUSE-SU-2021:1177-1 Security update for libhts SUSE / openSUSE Security Updates · Feb 4, 2026