Bug 2569245

Summary: CVE-2026-122056 openscap: One-byte heap buffer overflow in sds-compose may lead to Denial-of-Service [fedora-all]
Product: [Fedora] Fedora Reporter: Marco Benatto <mbenatto>
Component: openscapAssignee: Michal Ambroz <rebus>
Status: NEW --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: evgenyz, jcerny, mburket, mhaicman, mmarhefk, rebus, vpolasek
Target Milestone: ---Keywords: Security, SecurityTracking
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Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["deeb3f3c-8c38-4739-a5ae-871607964d1c"]}
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 2567100    

Description Marco Benatto 2026-11-09 19:50:25 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.

When processing a crafted XCCDF document in `sds-compose` option the OpenSCAP package may face a one byte heap buffer overflow, which can lead to small heap metadata corruption resulting in a possible program crash and in Denial-of-Service as a result.