Medium 4.3Published Aug 11, 2026

CVE-2026-19519Claircore: claircore: denial of service via unchecked type assertion in rpm header parser

Updated under an hour ago (Oct 28, 2026, 5:30 AM ET)

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It affects Red Hat Advanced Cluster Security 4 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Red Hat Advanced Cluster Security 4

Exploited in the last 30 days

A flaw was found in claircore's RPM package scanner. Crafted RPM header data in a container layer can cause an unchecked type assertion to panic the scanner. The panic is not recovered, causing the Clair indexer process to crash, leading to a denial of service.

CVSS: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE): CWE-617
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: redhat
NVD analysis: Awaiting Analysis
Record last updated: Aug 12, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Red Hat Red Hat Advanced Cluster Security 4 redhat:advanced_cluster_security	4	CNA record
Red Hat Red Hat Quay 3 redhat:quay	3	CNA record

References

References

https://access.redhat.com/security/cve/CVE-2026-19519	vdb-entry, x-refsource-redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2513781	issue-tracking, x-refsource-redhat

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.