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02 Records

01 Record

CVE-2026-56211

Libaom: libaom: remote code execution via svc layer context handling with attacker-controlled frames

HighPUBLISHEDCNA: redhat

CNA base score7.1 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H

02 Description

Libaom: libaom: remote code execution via svc layer context handling with attacker-controlled frames

03 Exploitation and scoring

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 39.7% of scored records. A rank, not a probability.

NVD base score

7.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-09-01.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2026-06-19 16:28Z2 MO AGO

Last updated

2026-09-01 12:05Z3 DAYS AGO

Reserved

2026-06-19

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

c9e67e5555fb16cd7515666b3bb41980c12fe9b383babd92107c6361a96aa3b4

05 Affected products

VendorProductVersionsPlatforms

Red HatRed Hat Enterprise Linux AI 3.3 for RHEL 9Not specified—

Red HatRed Hat Enterprise Linux AI 3.4 for RHEL 9Not specified—

Red HatRed Hat Enterprise Linux AI 3.5 for RHEL 9Not specified—

Red HatRed Hat AI Inference Server 3.2Not specified—

Red HatRed Hat Hardened ImagesNot specified—

Red HatRed Hat OpenShift AI 3.4Not specified—

Red HatRed Hat AI Inference ServerNot specified—

Red HatRed Hat Enterprise Linux 10Not specified—

Red HatRed Hat Enterprise Linux 9Not specified—

Red HatRed Hat OpenShift AI (RHOAI)Not specified—

06 References

access.redhat.comRHSA-2026:30814https://access.redhat.com/errata/RHSA-2026:30814vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:42875https://access.redhat.com/errata/RHSA-2026:42875vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:51100https://access.redhat.com/errata/RHSA-2026:51100vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:51146https://access.redhat.com/errata/RHSA-2026:51146vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:60520https://access.redhat.com/errata/RHSA-2026:60520vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:61627https://access.redhat.com/errata/RHSA-2026:61627vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:61628https://access.redhat.com/errata/RHSA-2026:61628vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:61629https://access.redhat.com/errata/RHSA-2026:61629vendor-advisoryx_refsource_REDHAT
access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-56211vdb-entryx_refsource_REDHAT
aomedia.googlesource.comhttps://aomedia.googlesource.com/aom/+/a93ba0ffaa
bugzilla.redhat.comRHBZ#2490802https://bugzilla.redhat.com/show_bug.cgi?id=2490802issue-trackingx_refsource_REDHAT
issues.chromium.orghttps://issues.chromium.org/issues/503993985
security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-56211.jsonx_sadp-csaf-vex