{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2020-36846",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-30T14:40:47.592851Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-30T22:01:41.998Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "IO-Compress-Brotli",
          "product": "IO::Compress::Brotli",
          "programFiles": [
            "brotli/c/dec/bit_reader.h"
          ],
          "repo": "https://github.com/timlegge/perl-IO-Compress-Brotli",
          "vendor": "TIMLEGGE",
          "versions": [
            {
              "lessThan": "0.007",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Robert Rothenberg (RRWO)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A buffer overflow, as described in CVE-2020-8927, exists in the embedded Brotli library.\u0026nbsp; Versions of IO::Compress::Brotli prior to 0.007 included a version of the brotli library prior to version 1.0.8, where an attacker controlling the input length of a \"one-shot\" decompression request to a script can trigger a crash, which happens when copying over chunks of data larger than 2 GiB. It is recommended to update your IO::Compress::Brotli module to 0.007\u0026nbsp;or later. If one cannot update, we recommend to use the \"streaming\" API as opposed to the \"one-shot\" API, and impose chunk size limits."
            }
          ],
          "value": "A buffer overflow, as described in CVE-2020-8927, exists in the embedded Brotli library.\u00a0 Versions of IO::Compress::Brotli prior to 0.007 included a version of the brotli library prior to version 1.0.8, where an attacker controlling the input length of a \"one-shot\" decompression request to a script can trigger a crash, which happens when copying over chunks of data larger than 2 GiB. It is recommended to update your IO::Compress::Brotli module to 0.007\u00a0or later. If one cannot update, we recommend to use the \"streaming\" API as opposed to the \"one-shot\" API, and impose chunk size limits."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1395",
              "description": "CWE-1395 Dependency on Vulnerable Third-Party Component",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-30T00:50:28.582Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "shortName": "CPANSec"
      },
      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/google/brotli/pull/826"
        },
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://github.com/advisories/GHSA-5v8v-66v8-mwm7"
        },
        {
          "tags": [
            "mitigation"
          ],
          "url": "https://github.com/timlegge/perl-IO-Compress-Brotli/blob/8b44c83b23bb4658179e1494af4b725a1bc476bc/Changes#L52"
        },
        {
          "tags": [
            "vdb-entry"
          ],
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8927"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/google/brotli/commit/223d80cfbec8fd346e32906c732c8ede21f0cea6"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "IO::Compress::Brotli versions prior to 0.007 for Perl have an integer overflow in the bundled Brotli C library",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
    "assignerShortName": "CPANSec",
    "cveId": "CVE-2020-36846",
    "datePublished": "2025-05-30T00:50:28.582Z",
    "dateReserved": "2025-05-28T01:44:05.054Z",
    "dateUpdated": "2025-05-30T22:01:41.998Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}