# Libaom: libaom: heap buffer overflow in av1 encoder first-pass stats buffer via lap mode CVE record · `CVE-2026-56208` - **Identifiers:** `CVE-2026-56208` - **State:** Confirmed - **Severity:** CVSS 7.6 High - **Critical:** No - **CNA:** redhat - **Weakness (CWE):** [CWE-122](https://cwe.mitre.org/data/definitions/122.html) - **Tags:** [Memory corruption](https://agentprime.io/advisories/tag/memory-corruption.md) - **Technologies:** [Red Hat Enterprise Linux 10.0 Extended Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-10-0-extended-update-support.md) · [Red Hat Enterprise Linux 7 Extended Lifecycle Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-7-extended-lifecycle-support.md) · [Red Hat Enterprise Linux 8](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8.md) · [Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-4-advanced-mission-critical-update-support.md) · [Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-4-extended-update-support-long-life-add-on.md) · [Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-6-advanced-mission-critical-update-support.md) · [Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-6-extended-update-support-long-life-add-on.md) · [Red Hat Enterprise Linux 8.8 Telecommunications Update Service](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-8-telecommunications-update-service.md) · [Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-8-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 9](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9.md) · [Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-2-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-4-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 9.6 Extended Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-6-extended-update-support.md) · [Red Hat Enterprise Linux AI 3.3 for RHEL 9](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-ai-3-3-for-rhel-9.md) · [Red Hat Enterprise Linux AI 3.4 for RHEL 9](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-ai-3-4-for-rhel-9.md) · [Red Hat Enterprise Linux AI 3.5 for RHEL 9](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-ai-3-5-for-rhel-9.md) · [Red Hat AI Inference Server 3.2](https://agentprime.io/advisories/technology/red-hat-ai-inference-server-3-2.md) · [Red Hat AI Inference Server 3.3](https://agentprime.io/advisories/technology/red-hat-ai-inference-server-3-3.md) · [Red Hat Enterprise Linux AI 3.3](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-ai-3-3.md) · [Red Hat Hardened Images](https://agentprime.io/advisories/technology/red-hat-hardened-images.md) - **Published:** 19 Jun 2026 - **Updated:** 4 Nov 2026 - **Reviewed by a person:** No Published by the CVE Program (CNA: redhat) at 19 Jun 2026, 16:28 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. ## Affected products, as the CNA wrote them - Vendor: Red Hat. Product: Red Hat Enterprise Linux 10.0 Extended Update Support. - unaffected: `0:140.13.0-1.el10_0 to before *` (rpm) - Other versions: affected - Package name: `firefox` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 7 Extended Lifecycle Support. - unaffected: `0:140.13.0-1.el7_9 to before *` (rpm) - Other versions: affected - Package name: `firefox` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8. - unaffected: `0:140.13.0-1.el8_10 to before *` (rpm) - Other versions: affected - Package name: `firefox` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support. - unaffected: `0:140.13.0-1.el8_4 to before *` (rpm) - Other versions: affected - Package name: `firefox` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. - unaffected: `0:140.13.0-1.el8_4 to before *` (rpm) - Other versions: affected - Package name: `firefox` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support. - unaffected: `0:140.13.0-1.el8_6 to before *` (rpm) - Other versions: affected - Package name: `firefox` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. - unaffected: `0:140.13.0-1.el8_6 to before *` (rpm) - Other versions: affected - Package name: `firefox` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.8 Telecommunications Update Service. - unaffected: `0:140.13.0-1.el8_8 to before *` (rpm) - Other versions: affected - Package name: `firefox` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions. - unaffected: `0:140.13.0-1.el8_8 to before *` (rpm) - Other versions: affected - Package name: `firefox` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9. - unaffected: `0:140.13.0-1.el9_8 to before *` (rpm) - Other versions: affected - Package name: `firefox` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. - unaffected: `0:140.13.0-1.el9_2 to before *` (rpm) - Other versions: affected - Package name: `firefox` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. - unaffected: `0:140.13.0-1.el9_4 to before *` (rpm) - Other versions: affected - Package name: `firefox` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9.6 Extended Update Support. - unaffected: `0:140.13.0-1.el9_6 to before *` (rpm) - Other versions: affected - Package name: `firefox` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux AI 3.3 for RHEL 9. - unaffected: `0:3.14.0-1.el9ai to before *` (rpm) - Other versions: affected - Package name: `aom` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux AI 3.4 for RHEL 9. - unaffected: `0:3.14.0-1.el9ai to before *` (rpm) - Other versions: affected - Package name: `aom` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux AI 3.5 for RHEL 9. - unaffected: `0:3.14.0-1.el9ai to before *` (rpm) - Other versions: affected - Package name: `aom` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat AI Inference Server 3.2. - unaffected: `1787860580 to before *` (rpm) - Other versions: affected - Package name: `rhaiis/vllm-cuda-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat AI Inference Server 3.2. - unaffected: `1787772157 to before *` (rpm) - Other versions: affected - Package name: `rhaiis/model-opt-cuda-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat AI Inference Server 3.2. - unaffected: `1787884873 to before *` (rpm) - Other versions: affected - Package name: `rhaiis/vllm-rocm-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat AI Inference Server 3.3. - unaffected: `1789508287 to before *` (rpm) - Other versions: affected - Package name: `rhaiis/model-opt-cuda-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat AI Inference Server 3.3. - unaffected: `1789502493 to before *` (rpm) - Other versions: affected - Package name: `rhaiis/vllm-spyre-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat AI Inference Server 3.3. - unaffected: `1789504371 to before *` (rpm) - Other versions: affected - Package name: `rhaiis/vllm-rocm-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat AI Inference Server 3.3. - unaffected: `1789582776 to before *` (rpm) - Other versions: affected - Package name: `rhaiis/vllm-cuda-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux AI 3.3. - unaffected: `1790936334 to before *` (rpm) - Other versions: affected - Package name: `rhelai3/bootc-aws-cuda-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux AI 3.3. - unaffected: `1790936351 to before *` (rpm) - Other versions: affected - Package name: `rhelai3/bootc-azure-cuda-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux AI 3.3. - unaffected: `1790850900 to before *` (rpm) - Other versions: affected - Package name: `rhelai3/bootc-azure-rocm-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux AI 3.3. - unaffected: `1790866732 to before *` (rpm) - Other versions: affected - Package name: `rhelai3/bootc-cuda-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux AI 3.3. - unaffected: `1790936334 to before *` (rpm) - Other versions: affected - Package name: `rhelai3/bootc-gcp-cuda-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux AI 3.3. - unaffected: `1790791893 to before *` (rpm) - Other versions: affected - Package name: `rhelai3/bootc-rocm-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux AI 3.3. - unaffected: `1790954179 to before *` (rpm) - Other versions: affected - Package name: `rhelai3/disk-image-cuda-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat Hardened Images. - unaffected: `3.14.0-0.1.hum1 to before *` (rpm) - Other versions: affected - Package name: `aom-main` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat OpenShift AI 3.3. - unaffected: `1789137552 to before *` (rpm) - Other versions: affected - Package name: `rhai/base-image-neuron-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat OpenShift AI 3.3. - unaffected: `1789137548 to before *` (rpm) - Other versions: affected - Package name: `rhai/base-image-rocm-7.0-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat OpenShift AI 3.3. - unaffected: `1789137636 to before *` (rpm) - Other versions: affected - Package name: `rhai/base-image-cuda-13.0-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat OpenShift AI 3.3. - unaffected: `1789137548 to before *` (rpm) - Other versions: affected - Package name: `rhai/base-image-tpu-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat OpenShift AI 3.3. - unaffected: `1789137548 to before *` (rpm) - Other versions: affected - Package name: `rhai/base-image-rocm-6.4-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat OpenShift AI 3.3. - unaffected: `1789137641 to before *` (rpm) - Other versions: affected - Package name: `rhai/base-image-cpu-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat OpenShift AI 3.3. - unaffected: `1789137607 to before *` (rpm) - Other versions: affected - Package name: `rhai/base-image-spyre-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat OpenShift AI 3.3. - unaffected: `1789137636 to before *` (rpm) - Other versions: affected - Package name: `rhai/base-image-cuda-12.9-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat OpenShift AI 3.4. - unaffected: `1786611800 to before *` (rpm) - Other versions: affected - Package name: `rhoai/odh-mlserver-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` And 58 more products. The full list is on the CVE record: ## Not analysed yet We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter. ## Severity and exploitation - 7.6 High, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H`, from CNA (redhat) (used for this record) - 7.6 High, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H`, from ADP (redhat-SADP) - **CISA KEV:** Not listed. - **EPSS:** 0.0062, the 50th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days. ## Timeline - 19 Jun 2026, 16:28 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-56208) - 19 Jun 2026, 17:16 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-56208) ## Sources - [CVE List: CVE-2026-56208](https://www.cve.org/CVERecord?id=CVE-2026-56208) - [NVD: CVE-2026-56208](https://nvd.nist.gov/vuln/detail/CVE-2026-56208) ### References from the CNA - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) And 32 more on the CVE record. Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description. ## Check whether this affects you This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run. - With the agentprime MCP server (), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: - As JSON: - Everything that needs attention now: --- The web page: . Everything for agents: .