Security advisory

{
  "id": "0f031a2df8a55c571303ecdeb820e78eebc5b2502302f077511f12611d30717c",
  "url": "https://osv.dev/vulnerability/CVE-2020-18442",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-18442",
    "summary": "Infinite Loop in zziplib v0.13.69 allows remote attackers to cause a denial of service via the return value \"zzip_file_read\" in the function \"unzzip_cat_file\".",
    "evidence": "osv:CVE-2020-18442",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2020-18442",
      "aliases": [
        "CVE-2020-18442"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gdraheim/zziplib",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9d82e19c7f654722f9e37deaa9eb91c25ad544ec"
                },
                {
                  "last_affected": "9d82e19c7f654722f9e37deaa9eb91c25ad544ec"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gdraheim:zziplib:0.13.69:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.13.69"
                      },
                      {
                        "last_affected": "0.13.69"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.13.69",
            "v0.13.69"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-18442.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:56.391779444Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TCFYD46OY4VAGJ4UX7IFOH5SHD4UW4ZA/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVANTEBDQGOIPC5KCEVAGA5KT4KKTGWB/",
        "https://lists.debian.org/debian-lts-announce/2021/12/msg00021.html",
        "https://github.com/gdraheim/zziplib/issues/68"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "34"
                  },
                  {
                    "last_affected": "34"
                  },
                  {
                    "introduced": "35"
                  },
                  {
                    "last_affected": "35"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-18442",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381004,
  "published_at": "2021-06-18T15:15:08.227+00:00"
}