CVE-2023-6879 (GCVE-0-2023-6879)

Vulnerability from cvelistv5 – Published: 2023-12-27 22:16 – Updated: 2026-06-23 17:19
VLAI
Title
heap buffer overflow in libaom
Summary
Increasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1_loop_restoration_dealloc().
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-24 16:45 UTC
CWE
  • CWE-20 - Improper Input Validation
Impacted products
Vendor Product Version CPE status
libaom libaom Affected: 0 , < 3.7.1 (custom)
guessed Create a notification for this product.
Date Public
2023-12-16 03:41
Show details on NVD website

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                    "id": "CVE-2023-6879",
                    "options": [
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                        "Exploitation": "none"
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                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
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                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-01-24T16:45:06.405286Z",
                    "version": "2.0.3"
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            ],
            "providerMetadata": {
              "dateUpdated": "2026-06-23T17:08:59.915Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "libaom",
              "repo": "https://aomedia.googlesource.com/aom/",
              "vendor": "libaom",
              "versions": [
                {
                  "lessThan": "3.7.1",
                  "status": "affected",
                  "version": "0",
                  "versionType": "custom"
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          ],
          "datePublic": "2023-12-16T03:41:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "\u003cp\u003eIncreasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1_loop_restoration_dealloc().\u003c/p\u003e"
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              ],
              "value": "Increasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1_loop_restoration_dealloc()."
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          ],
          "impacts": [
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              "capecId": "CAPEC-100",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-100 Overflow Buffers"
                }
              ]
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          ],
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                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
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                "baseSeverity": "CRITICAL",
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                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
                "version": "3.1"
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              "descriptions": [
                {
                  "cweId": "CWE-20",
                  "description": "CWE-20 Improper Input Validation",
                  "lang": "en",
                  "type": "CWE"
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          ],
          "providerMetadata": {
            "dateUpdated": "2024-01-07T02:06:25.187Z",
            "orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
            "shortName": "Google"
          },
          "references": [
            {
              "url": "https://crbug.com/aomedia/3491"
            },
            {
              "url": "https://aomedia.googlesource.com/aom/+/refs/tags/v3.7.1"
            },
            {
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D6C2HN4T2S6GYNTAUXLH45LQZHK7QPHP/"
            },
            {
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AYONA2XSNFMXLAW4IHLFI5UVV3QRNG5K/"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "heap buffer overflow in libaom",
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      "cveMetadata": {
        "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "assignerShortName": "Google",
        "cveId": "CVE-2023-6879",
        "datePublished": "2023-12-27T22:16:41.709Z",
        "dateReserved": "2023-12-15T21:26:46.180Z",
        "dateUpdated": "2026-06-23T17:19:13.128Z",
        "state": "PUBLISHED"
      },
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      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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