{
  "cveId": "CVE-2026-28351",
  "url": "https://patchblox.com/security/cve/CVE-2026-28351",
  "summary": "CVE-2026-28351 is fixed in pypdf on 1 platform by DEBIAN-CVE-2026-28351 (version 6.9.0-1), released February 27, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "pypdf: pypdf is a free and open-source pure-python PDF library",
  "description": "pypdf is a free and open-source pure-python PDF library. Prior to version 6.7.4, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream using the RunLengthDecode filter. This has been fixed in pypdf 6.7.4. As a workaround, consider applying the changes from PR #3664.",
  "published": "2026-02-27T21:16:19Z",
  "severity": "medium",
  "cvss": 5.3,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
  "epss": 0.0048,
  "epssPercentile": 0.41677,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "pypdf",
      "release": "Debian 14",
      "fixedVersion": "6.9.0-1",
      "fix": "DEBIAN-CVE-2026-28351",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-28351",
      "released": "2026-02-27T21:16:19Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}