Security advisory

{
  "id": "1b94aa1afae4d281d6ae4c69d81fc9003a1dec31dffdfa19399daca11bdf5e7e",
  "url": "https://osv.dev/vulnerability/CVE-2019-11463",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-11463",
    "summary": "A memory leak in archive_read_format_zip_cleanup in archive_read_support_format_zip.c in libarchive 3.3.4-dev allows remote attackers to cause a denial of service via a crafted ZIP file because of a HAVE_LZMA_H typo. NOTE: this only affects users who downloaded the development code from GitHub. Users of the product's official releases are unaffected.",
    "evidence": "osv:CVE-2019-11463",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-11463",
      "aliases": [
        "CVE-2019-11463"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/libarchive/libarchive",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "614110e76d9dbb9ed3e159a71cbd75fa3b23efe3"
                },
                {
                  "fixed": "ba641f73f3d758d9032b3f0e5597a9c6e593a505"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "ba641f73f3d758d9032b3f0e5597a9c6e593a505"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.3.3",
            "v3.3.2",
            "v3.3.1",
            "v3.3.0",
            "v3.2.2",
            "v3.2.1",
            "v3.2.0",
            "v3.1.900a",
            "v3.0.1b",
            "v3.0.0a"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11463.json",
            "vanir_signatures": [
              {
                "id": "CVE-2019-11463-457a48a0",
                "digest": {
                  "length": 1062,
                  "function_hash": "7756515333309930967988121913935002536"
                },
                "source": "https://github.com/libarchive/libarchive/commit/ba641f73f3d758d9032b3f0e5597a9c6e593a505",
                "target": {
                  "file": "libarchive/archive_read_support_format_zip.c",
                  "function": "archive_read_format_zip_cleanup"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2019-11463-ce74e48b",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "281714433212046131149431112604978976357",
                    "133564199602421433980574568012685770708",
                    "102926465850718391217945789488812991351",
                    "25476202388215352787523326248138130929"
                  ]
                },
                "source": "https://github.com/libarchive/libarchive/commit/ba641f73f3d758d9032b3f0e5597a9c6e593a505",
                "target": {
                  "file": "libarchive/archive_read_support_format_zip.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:39:36Z"
          }
        }
      ],
      "modified": "2026-10-20T13:39:36.059740072Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/security/cve/cve-2019-11463",
        "https://github.com/libarchive/libarchive/commit/ba641f73f3d758d9032b3f0e5597a9c6e593a505",
        "https://github.com/libarchive/libarchive/issues/1165"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-11463",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387913,
  "published_at": "2019-04-23T03:29:00.353+00:00"
}