CVE-2026-5704 affecting package tar 1.35-2

{
  "id": "f06ef266079546208210f3e7b6e954c40aacac863fea4b0489fdbc074a22981d",
  "url": "https://osv.dev/vulnerability/AZL-98237",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-5704 affecting package tar 1.35-2",
    "summary": "A flaw was found in tar. A remote attacker could exploit this vulnerability by crafting a malicious archive, leading to hidden file injection with fully attacker-controlled content. This bypasses pre-extraction inspection mechanisms, potentially allowing an attacker to introduce malicious files onto a system without detection.",
    "evidence": "osv:AZL-98237",
    "products": [
      {
        "name": {
          "value": "tar",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "AZL-98237",
      "aliases": [
        "AZL-98237"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "1.35-2"
                }
              ]
            }
          ],
          "package": {
            "name": "tar",
            "purl": "pkg:rpm/azure-linux/tar",
            "ecosystem": "Azure Linux:3"
          },
          "database_specific": {
            "source": "https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-98237.json"
          }
        }
      ],
      "modified": "2026-10-22T05:35:55Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-5704"
      ],
      "references": [
        "https://nvd.nist.gov/vuln/detail/CVE-2026-5704"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-5704",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 404525,
  "published_at": "2026-04-06T16:16:42+00:00"
}