linux-microvm-6.18 — security advisory

{
  "id": "214d886b8310cb17a181e7788325562dc8df4fe53bbc4ab6b1d0a589df7e3106",
  "url": "https://osv.dev/vulnerability/CGA-4g5q-g6c7-vj4m",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-4g5q-g6c7-vj4m",
    "summary": "CGA-4g5q-g6c7-vj4m",
    "evidence": "osv:CGA-4g5q-g6c7-vj4m",
    "products": [
      {
        "name": {
          "value": "linux-microvm-6.18",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CGA-4g5q-g6c7-vj4m",
      "aliases": [
        "CGA-4g5q-g6c7-vj4m"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-microvm-6.18",
            "purl": "pkg:apk/chainguard/linux-microvm-6.18?arch=aarch64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-4g5q-g6c7-vj4m.json"
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "linux-microvm-6.18",
                "component_purl": "pkg:apk/linux-microvm-6.18@6.18.56-r0",
                "component_type": "apk",
                "component_version": "6.18.56-r0",
                "component_location": "/.PKGINFO",
                "latest_event_status": "detection",
                "latest_event_timestamp": "2026-10-15T02:12:32Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-15T17:26:24.982557448Z",
      "provider": "osv",
      "upstream": [
        "CVE-2019-3887",
        "GHSA-j2cm-6mgm-v7v4"
      ],
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IWPOIII2L73HV5PGXSGMRMKQIK47UIYE/",
        "https://usn.ubuntu.com/3979-1/",
        "https://usn.ubuntu.com/3980-1/",
        "https://usn.ubuntu.com/3980-2/",
        "https://access.redhat.com/errata/RHSA-2019:2703",
        "https://access.redhat.com/errata/RHSA-2019:2741",
        "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3887"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2019-3887",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 334443,
  "published_at": "2026-10-15T02:12:32+00:00"
}