{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T06:05:27.124Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://chromium.googlesource.com/webm/libwebp"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202309-05"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://chromium.googlesource.com/webm/libwebp",
          "defaultStatus": "unaffected",
          "packageName": "libwebp",
          "product": "libwebp",
          "repo": "https://chromium.googlesource.com/",
          "vendor": "Chromium",
          "versions": [
            {
              "lessThan": "1.3.1",
              "status": "affected",
              "version": "0.4.2",
              "versionType": "custom"
            },
            {
              "lessThan": "1.3.0-8-ga486d800",
              "status": "affected",
              "version": "0.4.2",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "There exists a use after free/double free in libwebp. An attacker can use the\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free.\u0026nbsp;\u003c/span\u003e\u003cbr\u003e"
            }
          ],
          "value": "There exists a use after free/double free in libwebp. An attacker can use the\u00a0ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free.\u00a0\n"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-233 Privilege Escalation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "CWE-416 Use After Free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-06-20T11:28:52.547Z",
        "orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "shortName": "Google"
      },
      "references": [
        {
          "url": "https://chromium.googlesource.com/webm/libwebp"
        },
        {
          "url": "https://security.gentoo.org/glsa/202309-05"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Use after free in libwebp",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
    "assignerShortName": "Google",
    "cveId": "CVE-2023-1999",
    "datePublished": "2023-06-20T11:28:52.547Z",
    "dateReserved": "2023-04-12T09:40:34.560Z",
    "dateUpdated": "2024-08-02T06:05:27.124Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}