{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "4.2.0"
              },
              {
                "fixed": "12.2.0"
              }
            ],
            "source": [
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "acb19d8e45699bf961604e48b28002b099250ddd"
            },
            {
              "fixed": "3c41c095064200a02672d89cc5ff629eaf4b0d4f"
            },
            {
              "fixed": "3bf614e4b8615d0ce1d5039efaf6db447fe7c468"
            }
          ],
          "repo": "https://github.com/python-pillow/pillow",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-r73j-pqj5-w3x7"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-835"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42310.json"
  },
  "details": "Pillow is a Python imaging library. From version 4.2.0 to before version 12.2.0, an attacker can supply a malicious PDF that causes the process to hang indefinitely, consuming 100% CPU and making the application unresponsive. This issue has been patched in version 12.2.0.",
  "id": "CVE-2026-42310",
  "modified": "2026-07-08T05:38:27.819794909Z",
  "published": "2026-05-09T04:10:48.395Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/python-pillow/Pillow/releases/tag/12.2.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42310.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/python-pillow/Pillow/security/advisories/GHSA-r73j-pqj5-w3x7"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42310"
    },
    {
      "type": "FIX",
      "url": "https://github.com/python-pillow/Pillow/commit/3bf614e4b8615d0ce1d5039efaf6db447fe7c468"
    },
    {
      "type": "FIX",
      "url": "https://github.com/python-pillow/Pillow/pull/9519"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Pillow: PDF Parsing Trailer Infinite Loop (DoS)"
}