CVE-2023-6879
Estado: ModificadaCrítica (9.8)—
Increasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1_loop_restoration_dealloc().
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.18%
- Percentil entre todas las CVEs puntuadas: 67
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (2)
CWE
- CWE-20
- CWE-787
Referencias
- https://aomedia.googlesource.com/aom/+/refs/tags/v3.7.1
- https://crbug.com/aomedia/3491
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AYONA2XSNFMXLAW4IHLFI5UVV3QRNG5K/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D6C2HN4T2S6GYNTAUXLH45LQZHK7QPHP/
- https://aomedia.googlesource.com/aom/+/refs/tags/v3.7.1
- https://crbug.com/aomedia/3491
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AYONA2XSNFMXLAW4IHLFI5UVV3QRNG5K/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D6C2HN4T2S6GYNTAUXLH45LQZHK7QPHP/
JSON original (NVD)
Mostrar
{
"id": "CVE-2023-6879",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-6879",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-01-24T16:45:06.405286Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cve-coordination@google.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 9,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 6,
"exploitabilityScore": 2.2
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "cve-coordination@google.com",
"affectedData": [
{
"repo": "https://aomedia.googlesource.com/aom/",
"vendor": "libaom",
"product": "libaom",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "3.7.1",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2023-12-27T23:15:07.530",
"references": [
{
"url": "https://aomedia.googlesource.com/aom/+/refs/tags/v3.7.1",
"tags": [
"Patch"
],
"source": "cve-coordination@google.com"
},
{
"url": "https://crbug.com/aomedia/3491",
"tags": [
"Exploit",
"Issue Tracking",
"Mailing List",
"Patch",
"Third Party Advisory"
],
"source": "cve-coordination@google.com"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AYONA2XSNFMXLAW4IHLFI5UVV3QRNG5K/",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "cve-coordination@google.com"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D6C2HN4T2S6GYNTAUXLH45LQZHK7QPHP/",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "cve-coordination@google.com"
},
{
"url": "https://aomedia.googlesource.com/aom/+/refs/tags/v3.7.1",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://crbug.com/aomedia/3491",
"tags": [
"Exploit",
"Issue Tracking",
"Mailing List",
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AYONA2XSNFMXLAW4IHLFI5UVV3QRNG5K/",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D6C2HN4T2S6GYNTAUXLH45LQZHK7QPHP/",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "cve-coordination@google.com",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Increasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1_loop_restoration_dealloc()."
},
{
"lang": "es",
"value": "Aumentar la resolución de los fotogramas de vídeo, mientras se realiza una codificación multiproceso, puede provocar un desbordamiento del montón en av1_loop_restoration_dealloc()."
}
],
"lastModified": "2026-06-23T18:17:38.583",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:aomedia:aomedia:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C852A718-716E-4C5F-891D-1E290834F660",
"versionEndExcluding": "3.7.1"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CC559B26-5DFC-4B7A-A27C-B77DE755DFF9"
},
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve-coordination@google.com"
}