CVE-2026-16254
Claircore: claircore: denial of service via out-of-bounds slice in claircore's apk installed-database parser
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
A flaw was found in claircore's apk package scanner. Malformed package-database data in a container layer can cause an out-of-bounds access that panics the scanner. If that panic is not recovered, the Clair indexer process can crash, leading to a denial of service.
| CWE | CWE-125 |
| Vendor | red hat |
| Product | red hat advanced cluster security 4 |
| Published | Jul 20, 2026 |
| Last Updated | Jul 20, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
Red Hat / Red Hat Advanced Cluster Security 4
All versions affected Red Hat / Red Hat Advanced Cluster Security 4
All versions affected Red Hat / Red Hat Advanced Cluster Security 4
All versions affected Red Hat / Red Hat Advanced Cluster Security 4
All versions affected Red Hat / Red Hat Advanced Cluster Security 4
All versions affected Red Hat / Red Hat Advanced Cluster Security 4
All versions affected Red Hat / Red Hat Advanced Cluster Security 4
All versions affected Red Hat / Red Hat Advanced Cluster Security 4
All versions affected Red Hat / Red Hat Advanced Cluster Security 4
All versions affected Red Hat / Red Hat Quay 3
All versions affected Red Hat / Red Hat Quay 3
All versions affected References
Credits
Red Hat would like to thank Arpit Jain for reporting this issue.