CVE-2026-56210
Libaom: libaom: heap-buffer-overflow read via missing bounds check in ctrl_set_layer_id
- State
- Published
- Severity
- 7.1 High
- Published
- Jun 19, 2026
- Updated
- Oct 19, 2026
- Reserved
- Jun 19, 2026
Description
A heap-buffer-overflow read vulnerability was found in libaom, the reference AV1 codec implementation. A missing bounds check in the SVC (Scalable Video Coding) layer ID control function allows setting a spatial_layer_id exceeding the configured number of layers. This causes an out-of-bounds heap read of approximately 40,728 bytes when computing a layer context array index. An attacker who can influence SVC encoder parameters in a network-facing service could exploit this for information disclosure (heap content leak) or denial of service (segmentation fault from hitting unmapped memory).
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.1 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H | redhat |
| 3.1 | 7.1 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H | redhat-SADP |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
Red Hat Enterprise Linux AI 3.3 for RHEL 9Red Hat |
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Red Hat Enterprise Linux AI 3.4 for RHEL 9Red Hat |
|
Red Hat Enterprise Linux AI 3.5 for RHEL 9Red Hat |
|
Red Hat AI Inference Server 3.2Red Hat |
|
Red Hat AI Inference Server 3.2Red Hat |
|
Red Hat AI Inference Server 3.2Red Hat |
|
Red Hat AI Inference Server 3.3Red Hat |
|
Red Hat AI Inference Server 3.3Red Hat |
|
Red Hat AI Inference Server 3.3Red Hat |
|
Red Hat AI Inference Server 3.3Red Hat |
|
Red Hat Enterprise Linux AI 3.3Red Hat |
|
Red Hat Enterprise Linux AI 3.3Red Hat |
|
Red Hat Enterprise Linux AI 3.3Red Hat |
|
Red Hat Enterprise Linux AI 3.3Red Hat |
|
Red Hat Enterprise Linux AI 3.3Red Hat |
|
Red Hat Enterprise Linux AI 3.3Red Hat |
|
Red Hat Enterprise Linux AI 3.3Red Hat |
|
Red Hat Hardened ImagesRed Hat |
|
Red Hat OpenShift AI 3.3Red Hat |
|
Red Hat OpenShift AI 3.3Red Hat |
|
Red Hat OpenShift AI 3.3Red Hat |
|
Red Hat OpenShift AI 3.3Red Hat |
|
Red Hat OpenShift AI 3.3Red Hat |
|
Red Hat OpenShift AI 3.3Red Hat |
|
Red Hat OpenShift AI 3.3Red Hat |
|
Red Hat OpenShift AI 3.3Red Hat |
|
Red Hat OpenShift AI 3.4Red Hat |
|
Red Hat OpenShift AI 3.4Red Hat |
|
Red Hat OpenShift AI 3.4Red Hat |
|
Red Hat OpenShift AI 3.4Red Hat |
|
Red Hat OpenShift AI 3.4Red Hat |
|
Red Hat OpenShift AI 3.4Red Hat |
|
Red Hat OpenShift AI 3.4Red Hat |
|
Red Hat OpenShift AI 3.4Red Hat |
|
Red Hat OpenShift AI 3.4Red Hat |
|
Red Hat OpenShift AI 3.4Red Hat |
|
Red Hat OpenShift AI 3.4Red Hat |
|
Red Hat OpenShift AI 3.4Red Hat |
|
Red Hat OpenShift AI 3.4Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat OpenShift AI 3.5Red Hat |
|
Red Hat AI Inference ServerRed Hat | |
Red Hat AI Inference ServerRed Hat | |
Red Hat AI Inference ServerRed Hat | |
Red Hat AI Inference ServerRed Hat | |
Red Hat AI Inference ServerRed Hat | |
Red Hat AI Inference ServerRed Hat | |
Red Hat AI Inference ServerRed Hat | |
Red Hat AI Inference ServerRed Hat | |
Red Hat AI Inference ServerRed Hat | |
Red Hat AI Inference ServerRed Hat | |
Red Hat AI Inference ServerRed Hat | |
Red Hat Enterprise Linux 10Red Hat | |
Red Hat Enterprise Linux 10Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat | |
Red Hat OpenShift AI (RHOAI)Red Hat |
References
- RHSA-2026:30814vendor-advisory
- RHSA-2026:42875vendor-advisory
- RHSA-2026:51100vendor-advisory
- RHSA-2026:51146vendor-advisory
- RHSA-2026:60520vendor-advisory
- RHSA-2026:61627vendor-advisory
- RHSA-2026:61628vendor-advisory
- RHSA-2026:61629vendor-advisory
- RHSA-2026:68634vendor-advisory
- RHSA-2026:68637vendor-advisory
- RHSA-2026:68638vendor-advisory
- RHSA-2026:68639vendor-advisory
- RHSA-2026:68640vendor-advisory
- RHSA-2026:68696vendor-advisory
- RHSA-2026:68697vendor-advisory
- RHSA-2026:68698vendor-advisory
- RHSA-2026:68699vendor-advisory
- RHSA-2026:68708vendor-advisory
- RHSA-2026:68709vendor-advisory
- RHSA-2026:68710vendor-advisory
- RHSA-2026:69927vendor-advisory
- RHSA-2026:69929vendor-advisory
- RHSA-2026:69930vendor-advisory
- RHSA-2026:69931vendor-advisory
- RHSA-2026:69932vendor-advisory
- RHSA-2026:69933vendor-advisory
- RHSA-2026:69934vendor-advisory
- RHSA-2026:69935vendor-advisory
- RHSA-2026:71392vendor-advisory
- RHSA-2026:71393vendor-advisory
- RHSA-2026:71394vendor-advisory
- RHSA-2026:71395vendor-advisory
- RHSA-2026:71396vendor-advisory
- RHSA-2026:71397vendor-advisory
- RHSA-2026:71398vendor-advisory
- RHSA-2026:71399vendor-advisory
- RHSA-2026:71401vendor-advisory
- RHSA-2026:74771vendor-advisory
- RHSA-2026:75652vendor-advisory
- RHSA-2026:75654vendor-advisory
- RHSA-2026:75657vendor-advisory
- RHSA-2026:75658vendor-advisory
- RHSA-2026:75659vendor-advisory
- RHSA-2026:75660vendor-advisory
- RHSA-2026:76041vendor-advisory
- RHSA-2026:76042vendor-advisory
- RHSA-2026:76043vendor-advisory
- RHSA-2026:84734vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-56210vdb-entry
- https://aomedia.googlesource.com/aom/+/a93ba0ffaa
- RHBZ#2490801issue-tracking
- https://issues.chromium.org/issues/503975732
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-56210.json
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