{
  "cveId": "CVE-2021-30184",
  "url": "https://patchblox.com/security/cve/CVE-2021-30184",
  "summary": "CVE-2021-30184 is fixed in gnuchess on 1 platform, first by gnuchess 6.2.7-1\u002Bdeb11u1build0.22.04.1, released April 7, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "gnuchess: GNU Chess 6.2.7 allows attackers to execute arbitrary code via crafted PGN(Portable Game Notation) data",
  "description": "GNU Chess 6.2.7 allows attackers to execute arbitrary code via crafted PGN(Portable Game Notation) data. This is related to a buffer overflow in theuse of a .tmp.epd temporary file in the cmd_pgnload and cmd_pgnreplayfunctions in frontend/cmd.cc.",
  "published": "2021-04-07T05:15:00Z",
  "severity": "Medium",
  "epss": 0.01769,
  "epssPercentile": 0.78275,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "gnuchess",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "6.2.7-1\u002Bdeb11u1",
      "fix": "DLA-4014-1",
      "url": "https://patchblox.com/security/fix/linux/dla-4014-1",
      "released": "2025-01-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gnuchess",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "6.2.7-1\u002Bdeb11u1build0.22.04.1",
      "fix": "gnuchess 6.2.7-1\u002Bdeb11u1build0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-gnuchess-6.2.7-1-deb11u1build0.22.04.1",
      "released": "2021-04-07T05:15:00Z"
    },
    {
      "platform": "linux",
      "product": "gnuchess",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "6.2.7-1\u002Bdeb11u1build0.24.04.1",
      "fix": "gnuchess 6.2.7-1\u002Bdeb11u1build0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-gnuchess-6.2.7-1-deb11u1build0.24.04.1",
      "released": "2021-04-07T05:15:00Z"
    },
    {
      "platform": "linux",
      "product": "gnuchess",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "6.2.7-1\u002Bdeb11u1build0.24.10.1",
      "fix": "gnuchess 6.2.7-1\u002Bdeb11u1build0.24.10.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-gnuchess-6.2.7-1-deb11u1build0.24.10.1",
      "released": "2026-01-16T01:42:22Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}