Transfer-Encoding not treated as hop-by-hop

{
  "id": "f08f804fe76a37cd12f03832f026641c2306121a46641a962b8a3df8aa33f6a7",
  "url": "https://osv.dev/vulnerability/CVE-2022-31778",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Transfer-Encoding not treated as hop-by-hop",
    "summary": "Improper Input Validation vulnerability in handling the Transfer-Encoding header of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 8.0.0 to 9.0.2.",
    "evidence": "osv:CVE-2022-31778",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-31778",
      "aliases": [
        "CVE-2022-31778"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/trafficserver",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b310e3566f58dd04ec2b15b111ec86ea70e20019"
                },
                {
                  "last_affected": "965df952e1da3e5039473db8cf219cf9ef285a93"
                },
                {
                  "introduced": "b14030656330ed623cd1f9efe2f4f9abd9d16e29"
                },
                {
                  "last_affected": "cb7eda60dc8c2068afd458fd20a8dd6232887f0d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "last_affected": "8.1.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "9.0.0"
                      },
                      {
                        "last_affected": "9.1.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "8.1.4-rc0",
            "8.1.4",
            "8.1.3-rc1",
            "8.1.3",
            "8.1.3-rc0",
            "8.1.2-rc0",
            "8.1.1-rc0",
            "8.1.1",
            "8.1.0-rc0",
            "8.1.0",
            "8.0.6-rc1",
            "8.0.6",
            "8.0.6-rc0",
            "8.0.5",
            "8.0.4",
            "8.0.4-rc0",
            "8.0.3-rc0",
            "8.0.3",
            "8.0.2-rc0",
            "8.0.2",
            "8.0.1-rc0",
            "8.0.1",
            "8.0.0-rc4",
            "8.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-31778.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:53.237225701Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread/rc64lwbdgrkv674koc3zl1sljr9vwg21",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31778.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-31778",
        "https://www.debian.org/security/2022/dsa-5206",
        "https://lists.debian.org/debian-lts-announce/2023/04/msg00007.html"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-20"
        ],
        "cna_assigner": "apache",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0.0 to 9.0.2"
                  },
                  {
                    "last_affected": "8.0.0 to 9.0.2"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31778.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-31778",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 522296,
  "published_at": "2022-08-10T00:00:00+00:00"
}