Is there a public exploit for CVE-2026-56208?

No public exploit for CVE-2026-56208 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-56208?

CVE-2026-56208 scores CVSS 7.6 (v3.1), rated high. EPSS puts the chance of exploitation in the next 30 days at 0.62%.

What does CVE-2026-56208 affect?

CVE-2026-56208 affects Red Hat Red Hat OpenShift AI 3.5, Red Hat AI Inference Server 3.3, Red Hat Hardened Images, Red Hat OpenShift AI 3.4, Red Hat AI Inference Server 3.2, Red Hat OpenShift AI 3.3.

7.6 High

A heap buffer overflow vulnerability was found in libaom, the reference AV1 codec implementation.

CVE-2026-56208

A heap buffer overflow vulnerability was found in libaom, the reference AV1 codec implementation. A flaw in the AV1 encoder's Look-Ahead Processing (LAP) mode causes the first-pass stats ring buffer wrap-around guard to be bypassed when glaginframes is set to 1 or higher. This results in a 232-byte out-of-bounds write on every encoded frame after the second, corrupting adjacent heap objects. An attacker who can influence encoder configuration in a transcoding service or WebRTC session could exploit this to cause a denial of service (process crash) or potentially achieve code execution.

Assessment

CVSS: 7.6 (v3.1)
Severity: High
EPSS: 0.62% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 19 June 2026
Last updated: 4 November 2026
Affected: Red Hat · Red Hat AI Inference Server 3.2 · Red Hat AI Inference Server 3.3 · Red Hat Enterprise Linux 10.0 Extended Update Support · Red Hat Enterprise Linux 7 Extended Lifecycle Support
Assigner: redhat

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

At the source

EUVD (ENISA)

References

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