Bug 2448886

Summary: CVE-2026-31969 htslib: HTSlib: CRAM decoder has a heap buffer overflow [fedora-all]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: htslibAssignee: Jun Aruga <jaruga>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: jaruga, jmarshall, ron
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["fb0a5a9a-5b73-4224-9174-2a03a94ac04d"]}
Fixed In Version: htslib-1.23.1-1.fc45 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-03-19 11:56:09 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2448771    

Description Jon Moroney 2026-03-18 21:35:06 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Comment 1 Fedora Update System 2026-03-19 11:49:44 UTC
FEDORA-2026-c383d4a134 (bcftools-1.23.1-1.fc45, htslib-1.23.1-1.fc45, and 1 more) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-c383d4a134

Comment 2 Fedora Update System 2026-03-19 11:56:09 UTC
FEDORA-2026-c383d4a134 (bcftools-1.23.1-1.fc45, htslib-1.23.1-1.fc45, and 1 more) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.