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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2018-17828

Directory traversal vulnerability in ZZIPlib 0.13.69 allows attackers to overwrite arbitrary files via a .. (dot dot) in a zip file, because of the function unzzip_cat in the bins/unzzipcat-mem.c file.

Products
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Affected versions
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Fixed versions
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CVEs
CVE-2018-17828
Confirmed fixed CVEs
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Updated in this feed
31 Oct 2026, 10:28 UTC · Revision 1

Source evidence

CVE-2018-17828

core-osv · Original source

Published 1 Oct 2018, 08:29 UTC

Directory traversal vulnerability in ZZIPlib 0.13.69 allows attackers to overwrite arbitrary files via a .. (dot dot) in a zip file, because of the function unzzip_cat in the bins/unzzipcat-mem.c file.

osv:CVE-2018-17828
Complete source record
{
  "id": "1279c9210e7b280ce352cfdec4ce0cdc1527ea8b6911c4021301f94bd0276128",
  "url": "https://osv.dev/vulnerability/CVE-2018-17828",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-17828",
    "summary": "Directory traversal vulnerability in ZZIPlib 0.13.69 allows attackers to overwrite arbitrary files via a .. (dot dot) in a zip file, because of the function unzzip_cat in the bins/unzzipcat-mem.c file.",
    "evidence": "osv:CVE-2018-17828",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-17828",
      "aliases": [
        "CVE-2018-17828"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"
        }
      ],
      "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-2018-17828.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:22.551698783Z",
      "provider": "osv",
      "references": [
        "https://github.com/gdraheim/zziplib/issues/62"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-17828",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381624,
  "published_at": "2018-10-01T08:29:01.007+00:00"
}