{
  "modified": "2025-08-09T19:01:29Z",
  "published": "2015-04-13T14:59:15Z",
  "id": "CVE-2015-2942",
  "details": "MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of nested entity references in an (1) SVG file or (2) XMP metadata in a PDF file, aka a \"billion laughs attack,\" a different vulnerability than CVE-2015-2937.",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.gentoo.org/glsa/201510-05"
    },
    {
      "type": "EVIDENCE",
      "url": "https://phabricator.wikimedia.org/T85848"
    },
    {
      "type": "FIX",
      "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2015/04/01/1"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2015/04/07/3"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/73477"
    }
  ]
}