CVE-2026-56210 (GCVE-0-2026-56210)
Vulnerability from cvelistv5
Published
2026-06-19 16:28
Modified
2026-08-28 12:04
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
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).
References
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Impacted products
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| Red Hat | Red Hat Enterprise Linux AI 3.3 for RHEL 9 |
Unaffected: 0:3.14.0-1.el9ai < * cpe:/a:redhat:enterprise_linux_ai:3.3::el9 |
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"datePublic": "2026-06-19T00:00:00.000Z",
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"cveMetadata": "{\"cveId\": \"CVE-2026-56210\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-28T12:04:21.393Z\", \"dateReserved\": \"2026-06-19T15:50:16.801Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2026-06-19T16:28:33.035Z\", \"assignerShortName\": \"redhat\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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