Medium severity · published Aug 11, 2026
CVE-2026-19519
Claircore: claircore: denial of service via unchecked type assertion in rpm header parser
4.3
CVSS
0.4%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Advanced Cluster Security 4 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Quay 3 · Red Hat
All versions, or not specified · source: vendor
Affected product
RH
Red Hat Advanced Cluster Security 4
Red Hat
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-19519
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-19519
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-19519
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2513781
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