Claircore: claircore: denial of service via out-of-bounds slice in claircore's apk installed-database parser
Priority LOW 20CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00373 31st percentileScored 2026-11-07
Fix Deferred Red Hat: fix deferred
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Quay 3 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Quay 3 | — | — | No fix listed | CNA |
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Quay 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Quay 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Advanced Cluster Security 4 | Affected | No fix yet: Fix deferred |
| Red Hat Quay 3 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16254
- 2026-10-03 Alias added: GHSA-985f-wwqg-mmx8
References
More Red Hat vulnerabilities
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- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
- TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
- TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-16254 · CVE Program
- CVE-2026-16254 · NVD
- FIRST EPSS
- GHSA-985f-wwqg-mmx8 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-16254 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences