Envoy can enter an endless loop while decompressing Brotli data with extra input

{
  "id": "9486bbecd790c4396ee95a204abf7827d3914707f148d0928fb9808c4aee29b9",
  "url": "https://osv.dev/vulnerability/CVE-2024-32976",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Envoy can enter an endless loop while decompressing Brotli data with extra input",
    "summary": "Envoy is a cloud-native, open source edge and service proxy. Envoyproxy with a Brotli filter can get into an endless loop during decompression of Brotli data with extra input.",
    "evidence": "osv:CVE-2024-32976",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-32976",
      "aliases": [
        "BIT-envoy-2024-32976",
        "CVE-2024-32976",
        "GHSA-7wp5-c2vq-4f8m"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/envoyproxy/envoy",
              "type": "GIT",
              "events": [
                {
                  "introduced": "345ffe37148b7a35b6e8e04db0300463689e3ff1"
                },
                {
                  "fixed": "84d6d3ae2d687626e9fa0dd6560acc6107ac4c2c"
                },
                {
                  "introduced": "b5ca88acee3453c9459474b8f22215796eff4dde"
                },
                {
                  "fixed": "25b6b1ffea22e8868d59098eda497c4766e14201"
                },
                {
                  "introduced": "a6d1d66a62b985baed414ba90ad0daebfc074664"
                },
                {
                  "fixed": "d13ed044879003b6adb2d48ef8ab8bc5636b5031"
                },
                {
                  "introduced": "50ea83e602d5da162df89fd5798301e22f5540cf"
                },
                {
                  "fixed": "d79f6e8d453ee260e9094093b8dd31af0056e67b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.18.0"
                      },
                      {
                        "fixed": "1.27.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.28.0"
                      },
                      {
                        "fixed": "1.28.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.29.0"
                      },
                      {
                        "fixed": "1.29.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.30.0"
                      },
                      {
                        "fixed": "1.30.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.27.5",
            "v1.28.3",
            "v1.29.4",
            "v1.30.1",
            "v1.30.0",
            "v1.27.4",
            "v1.28.2",
            "v1.29.3",
            "v1.29.2",
            "v1.29.1",
            "v1.28.1",
            "v1.27.3",
            "v1.29.0",
            "v1.28.0",
            "v1.27.2",
            "v1.27.1",
            "v1.27.0",
            "v1.26.0",
            "v1.25.0",
            "v1.24.0",
            "v1.23.0",
            "v1.22.0",
            "v1.21.0",
            "v1.20.0",
            "v1.19.0",
            "v1.18.2",
            "v1.18.1",
            "v1.18.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-32976.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.684309109Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/32xxx/CVE-2024-32976.json",
        "https://github.com/envoyproxy/envoy/security/advisories/GHSA-7wp5-c2vq-4f8m",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-32976"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-835"
        ],
        "cna_assigner": "GitHub_M",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.30.0"
                  },
                  {
                    "last_affected": "11.30.1"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StringRangeExpression"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/32xxx/CVE-2024-32976.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-32976",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 514618,
  "published_at": "2024-06-04T20:59:59.683+00:00"
}