CVE-2026-16254

MEDIUM

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

Title source: cna

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.

References (2)

Core 2

Core References

Vdb Entry, X_Refsource_Redhat vdb-entry x_refsource_redhat

https://access.redhat.com/security/cve/CVE-2026-16254

Issue Tracking, X_Refsource_Redhat issue-tracking x_refsource_redhat

RHBZ#2502701

https://bugzilla.redhat.com/show_bug.cgi?id=2502701

Scores

CVSS v3 4.3

EPSS 0.0027

EPSS Percentile 19.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-125

Status published

Products (2)

Red Hat/Red Hat Advanced Cluster Security 4

Red Hat/Red Hat Quay 3

Published Jul 20, 2026

Tracked Since Jul 20, 2026