{
  "id": "CVE-2021-33480",
  "sourceIdentifier": "patrick@puiterwijk.org",
  "published": "2021-11-17T18:15:07.960",
  "lastModified": "2022-12-21T15:01:19.963",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An use-after-free vulnerability was discovered in gocr through 0.53-20200802 in context_correction() in pgm2asc.c."
    },
    {
      "lang": "es",
      "value": "Se ha detectado una vulnerabilidad de uso de memoria previamente liberada en gocr versiones hasta 0.53-20200802, en la funci\u00f3n context_correction() en el archivo pgm2asc.c"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    },
    {
      "source": "patrick@puiterwijk.org",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:optical_character_recognition_project:optical_character_recognition:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "0.53-20200802",
              "matchCriteriaId": "E527506A-F256-4211-9757-6C79CF1BF1EC"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962854",
      "source": "patrick@puiterwijk.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://sourceforge.net/p/jocr/bugs/40/",
      "source": "patrick@puiterwijk.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://sourceforge.net/p/jocr/bugs/41/",
      "source": "patrick@puiterwijk.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    }
  ]
}