{"id":"CVE-2015-2942","aliases":["DEBIAN-CVE-2015-2942","EUVD-2015-3027","GHSA-mmcv-w5m4-3p9m","UBUNTU-CVE-2015-2942"],"status":"published","title":"MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows...","description":"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.","severity":{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02814,"percentile":0.8663,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2015-04-13T14:00:00Z","modified":"2026-09-09T06:47:23Z","fixes":[{"ecosystem":"Debian:12","package":"mediawiki","fixed_in":["1:1.19.20+dfsg-2.3"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mediawiki","fixed_in":["1:1.19.20+dfsg-2.3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mediawiki","fixed_in":["1:1.19.20+dfsg-2.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.19.20+dfsg-2.3"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.19.20+dfsg-2.3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.19.20+dfsg-2.3"}]}]}],"products":[{"vendor":"mediawiki","product":"mediawiki"}],"references":[{"url":"https://security.gentoo.org/glsa/201510-05","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"http://www.securityfocus.com/bid/73477","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2015/04/07/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2015/04/01/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web","report"]},{"url":"https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","Vendor Advisory","advisory","fix","report"]},{"url":"https://phabricator.wikimedia.org/T85848","tags":["x_refsource_CONFIRM","x_transferred","Exploit","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-2942"},{"url":"https://github.com/advisories/GHSA-mmcv-w5m4-3p9m"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-2942","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2015-2942","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-2942","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-2942","description":"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.","status":"published","published":"2015-04-13T14:00:00Z","modified":"2024-08-06T05:32:20.575Z","updated_at":"2026-11-02T14:35:41.621934Z"}],"euvd":[{"id":"EUVD-2015-3027","description":"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.","status":"published","published":"2015-04-13T14:00:00Z","modified":"2024-08-06T05:32:20Z","updated_at":"2026-11-03T02:22:10.045369Z"}],"ghsa":[{"id":"GHSA-mmcv-w5m4-3p9m","title":"MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows...","description":"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.","status":"published","published":"2022-05-17T03:28:17Z","modified":"2023-01-27T05:07:56Z","updated_at":"2026-11-02T14:43:13.39976Z"}],"nvd":[{"id":"CVE-2015-2942","description":"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.","status":"published","published":"2015-04-13T14:59:15.367Z","modified":"2026-06-17T00:25:00.747Z","cvss":[{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:03:04.095849Z"}],"osv":[{"id":"CVE-2015-2942","description":"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.","status":"published","published":"2015-04-13T14:59:15Z","modified":"2026-04-10T03:45:14.101001Z","updated_at":"2026-11-02T15:44:00.594921Z"},{"id":"DEBIAN-CVE-2015-2942","description":"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.","status":"published","published":"2015-04-13T14:59:15.367Z","modified":"2026-09-09T06:47:23.219316701Z","updated_at":"2026-11-02T15:45:26.752992Z"},{"id":"UBUNTU-CVE-2015-2942","description":"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.","status":"withdrawn","published":"2015-04-13T14:59:00Z","modified":"2025-07-16T07:32:49.352543Z","updated_at":"2026-11-02T15:54:10.045446Z"}]}}