alpine-cve-2026-9538

{
  "affected": [
    {
      "database_specific": {
        "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-9538.json"
      },
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.24",
        "name": "perl",
        "purl": "pkg:apk/alpine/perl?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.42.3-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Archive::Tar versions before 3.10 for Perl allow memory exhaustion via attacker controlled entry size field in tar header.\n\n_read_tar() reads each entry's payload with $handle->read($$data, $block), where $block is derived from the entry's 12-byte size field in the tar header with no upper bound on that value.\n\nA crafted header declaring a multi-gigabyte size causes Perl to allocate a scalar of that size.",
  "id": "ALPINE-CVE-2026-9538",
  "modified": "2026-11-03T19:30:03.758144772Z",
  "published": "2026-05-26T02:16:41.150Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security.alpinelinux.org/vuln/CVE-2026-9538"
    }
  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-9538"
  ]
}