{
  "cveId": "CVE-2026-76875",
  "url": "https://patchblox.com/security/cve/CVE-2026-76875",
  "summary": "CVE-2026-76875 is fixed in pypy3 on 1 platform by DEBIAN-CVE-2026-76875 (version 8.0.0\u002Bdfsg-1), released September 30, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "pypy3: PyPy before versions 3.11.16 and 3.12.14 contains a use-after-free vulnerability in the pyexpat module\u0027s ExternalEnti...",
  "description": "PyPy before versions 3.11.16 and 3.12.14 contains a use-after-free vulnerability in the pyexpat module\u0027s ExternalEntityParserCreate function that allows attackers to corrupt memory by supplying a crafted XML document to applications that create external-entity sub-parsers without retaining a reference to the parent parser. The child parser retains a raw C back-pointer to the parent parser struct while PyPy\u0027s tracing garbage collector can free the parent\u0027s C struct, causing bundled libexpat to dereference the freed pointer on every parsed token, producing memory corruption.",
  "published": "2026-09-29T13:17:52Z",
  "severity": "",
  "epss": 0.0024,
  "epssPercentile": 0.1521,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "pypy3",
      "release": "Debian 14",
      "fixedVersion": "8.0.0\u002Bdfsg-1",
      "fix": "DEBIAN-CVE-2026-76875",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-76875",
      "released": "2026-09-30T20:39:22Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}