linux-microvm-7.3 — security advisory

{
  "id": "72950fef43faf6f0f92a3ceb20529b622ef87d622aeabf554ad3c99af99941cc",
  "url": "https://osv.dev/vulnerability/CGA-hf6j-2wpp-5jww",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-hf6j-2wpp-5jww",
    "summary": "CGA-hf6j-2wpp-5jww",
    "evidence": "osv:CGA-hf6j-2wpp-5jww",
    "products": [
      {
        "name": {
          "value": "linux-microvm-7.3",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CGA-hf6j-2wpp-5jww",
      "aliases": [
        "CGA-hf6j-2wpp-5jww"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-microvm-7.3",
            "purl": "pkg:apk/chainguard/linux-microvm-7.3?arch=aarch64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-hf6j-2wpp-5jww.json",
            "chainguard": {
              "applies_to_subpackages": false
            }
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "linux-microvm-7.3",
                "component_purl": "pkg:apk/linux-microvm-7.3@7.3.0-r0",
                "component_type": "apk",
                "component_version": "7.3.0-r0",
                "component_location": "/.PKGINFO",
                "latest_event_status": "detection",
                "latest_event_timestamp": "2026-10-26T14:48:58Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-26T19:45:49.123562765Z",
      "provider": "osv",
      "upstream": [
        "CVE-2023-3773",
        "GHSA-2m35-m4g6-x835"
      ],
      "references": [
        "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html",
        "https://access.redhat.com/security/cve/CVE-2023-3773",
        "https://www.debian.org/security/2023/dsa-5492",
        "https://access.redhat.com/errata/RHSA-2023:6583",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2218944"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2023-3773",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 458466,
  "published_at": "2026-10-26T14:48:58+00:00"
}