What’s Vulnerable › Vulnerabilities

CVE-2026-16254: Claircore: claircore: denial of service via out-of-bounds slice in claircore's apk installed-database parser

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-20 · updated 2026-07-21
• Weakness: CWE-125

Description

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.

Affected products

• Red Hat Quay 3: all versions
• Red Hat Advanced Cluster Security 4: all versions

References

• https://access.redhat.com/security/cve/CVE-2026-16254
• https://bugzilla.redhat.com/show_bug.cgi?id=2502701

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