Buffer overflow in Red Hat Ai Inference Server
CVE-2026-56211
A remote code execution vulnerability was found in libaom, the reference AV1 codec implementation. Insufficient bounds validation in the AV1 encoder's SVC (Scalable Video Coding) layer ID control allows an attacker to supply crafted video…
Vulnerability class: Buffer Overflow
EPSS: 0.004 (34.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H.
Affected products
- Red Hat Ai Inference Server
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux Ai 3.5 For Rhel 9 — versions 0:3.14.0-1.el9ai
- Red Hat Enterprise Linux Ai (Rhel Ai) 3
- Red Hat Hardened Images — versions 3.14.0-0.1.hum1
- Red Hat Openshift Ai (Rhoai)
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
- secalert@redhat.com
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2026-56211?
- CVE-2026-56211 is a high-severity vulnerability in Red Hat Ai Inference Server, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2026-06-19.
- How severe is CVE-2026-56211?
- High severity. CVSS v3 base score is 7.1 out of 10.