{"schemaVersion":3,"id":"CVE-2015-2937","aliases":["UBUNTU-CVE-2015-2937","DEBIAN-CVE-2015-2937"],"status":"published","duplicateOf":null,"title":null,"description":"MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM or Zend PHP, allows remote attackers to cause a denial of service (\"quadratic blowup\" and memory consumption) via an XML file containing an entity declaration with long replacement text and many references to this entity, a different vulnerability than CVE-2015-2942.","dates":{"published":"2015-04-13T14:00:00.000Z","modified":"2024-08-06T05:32:20.563Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.1,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.1,"severity":"high","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0269,"percentile":0.85685,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.0269},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0269,"percentile":0.85685}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0269,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0269,"percentile":0.85685}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-399","name":"Resource Management Errors","description":"Weaknesses in this category are related to improper management of system resources.","type":"category","status":"Draft","abstraction":null,"likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/399.html"}],"affected":[{"vendor":"debian","product":"mediawiki","name":"mediawiki","label":"mediawiki","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/mediawiki","purlType":"deb","versions":[{"text":"< 1:1.19.20+dfsg-2.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:1.19.20+dfsg-2.3","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"mediawiki","name":"mediawiki","label":"mediawiki","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/mediawiki","purlType":"deb","versions":[{"text":"< 1:1.27.4-3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:1.27.4-3","eol":null,"hubHref":null},{"vendor":"mediawiki","product":"mediawiki","name":"mediawiki","label":"mediawiki","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 1.19.23","noFixRecorded":false,"fixedIn":null},{"text":"1.20","noFixRecorded":false,"fixedIn":null},{"text":"1.20.1","noFixRecorded":false,"fixedIn":null},{"text":"1.20.2","noFixRecorded":false,"fixedIn":null},{"text":"1.20.3","noFixRecorded":false,"fixedIn":null},{"text":"1.20.4","noFixRecorded":false,"fixedIn":null},{"text":"1.20.5","noFixRecorded":false,"fixedIn":null},{"text":"1.20.6","noFixRecorded":false,"fixedIn":null},{"text":"1.20.7","noFixRecorded":false,"fixedIn":null},{"text":"1.20.8","noFixRecorded":false,"fixedIn":null},{"text":"1.21","noFixRecorded":false,"fixedIn":null},{"text":"1.21.1","noFixRecorded":false,"fixedIn":null},{"text":"1.21.2","noFixRecorded":false,"fixedIn":null},{"text":"1.21.3","noFixRecorded":false,"fixedIn":null},{"text":"1.21.4","noFixRecorded":false,"fixedIn":null},{"text":"1.21.5","noFixRecorded":false,"fixedIn":null},{"text":"1.21.6","noFixRecorded":false,"fixedIn":null},{"text":"1.21.7","noFixRecorded":false,"fixedIn":null},{"text":"1.21.8","noFixRecorded":false,"fixedIn":null},{"text":"1.21.9","noFixRecorded":false,"fixedIn":null},{"text":"1.21.10","noFixRecorded":false,"fixedIn":null},{"text":"1.21.11","noFixRecorded":false,"fixedIn":null},{"text":"1.22.0","noFixRecorded":false,"fixedIn":null},{"text":"1.22.1","noFixRecorded":false,"fixedIn":null},{"text":"1.22.2","noFixRecorded":false,"fixedIn":null},{"text":"1.22.3","noFixRecorded":false,"fixedIn":null},{"text":"1.22.4","noFixRecorded":false,"fixedIn":null},{"text":"1.22.5","noFixRecorded":false,"fixedIn":null},{"text":"1.22.6","noFixRecorded":false,"fixedIn":null},{"text":"1.22.7","noFixRecorded":false,"fixedIn":null},{"text":"1.22.8","noFixRecorded":false,"fixedIn":null},{"text":"1.22.9","noFixRecorded":false,"fixedIn":null},{"text":"1.22.10","noFixRecorded":false,"fixedIn":null},{"text":"1.22.11","noFixRecorded":false,"fixedIn":null},{"text":"1.22.12","noFixRecorded":false,"fixedIn":null},{"text":"1.22.13","noFixRecorded":false,"fixedIn":null},{"text":"1.22.14","noFixRecorded":false,"fixedIn":null},{"text":"1.22.15","noFixRecorded":false,"fixedIn":null},{"text":"1.23.0","noFixRecorded":false,"fixedIn":null},{"text":"1.23.1","noFixRecorded":false,"fixedIn":null},{"text":"1.23.2","noFixRecorded":false,"fixedIn":null},{"text":"1.23.3","noFixRecorded":false,"fixedIn":null},{"text":"1.23.4","noFixRecorded":false,"fixedIn":null},{"text":"1.23.5","noFixRecorded":false,"fixedIn":null},{"text":"1.23.6","noFixRecorded":false,"fixedIn":null},{"text":"1.23.7","noFixRecorded":false,"fixedIn":null},{"text":"1.23.8","noFixRecorded":false,"fixedIn":null},{"text":"1.24.0","noFixRecorded":false,"fixedIn":null},{"text":"1.24.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.19.23 | 1.20 | 1.20.1 | 1.20.2 | 1.20.3 | 1.20.4 | 1.20.5 | 1.20.6 | 1.20.7 | 1.20.8 | 1.21 | 1.21.1 | 1.21.2 | 1.21.3 | 1.21.4 | 1.21.5 | 1.21.6 | 1.21.7 | 1.21.8 | 1.21.9 | 1.21.10 | 1.21.11 | 1.22.0 | 1.22.1 | 1.22.2 | 1.22.3 | 1.22.4 | 1.22.5 | 1.22.6 | 1.22.7 | 1.22.8 | 1.22.9 | 1.22.10 | 1.22.11 | 1.22.12 | 1.22.13 | 1.22.14 | 1.22.15 | 1.23.0 | 1.23.1 | 1.23.2 | 1.23.3 | 1.23.4 | 1.23.5 | 1.23.6 | 1.23.7 | 1.23.8 | 1.24.0 | 1.24.1","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"mediawiki","label":"MediaWiki","category":"server-app"}},"hubHref":"/vendor/mediawiki/mediawiki"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://security.gentoo.org/glsa/201510-05","label":"security.gentoo.org/glsa/201510-05","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:200","label":"www.mandriva.com/security/advisories?name=MDVSA-2015:200","hostname":"www.mandriva.com","tags":["Vendor Advisory","X Refsource MANDRIVA"]},{"url":"http://www.securityfocus.com/bid/73477","label":"www.securityfocus.com/bid/73477","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"http://www.openwall.com/lists/oss-security/2015/04/07/3","label":"www.openwall.com/lists/oss-security/2015/04/07/3","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST"]},{"url":"http://www.openwall.com/lists/oss-security/2015/04/01/1","label":"www.openwall.com/lists/oss-security/2015/04/01/1","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST","REPORT"]},{"url":"https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html","label":"lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html","hostname":"lists.wikimedia.org","tags":["Mailing List","X Refsource MLIST","Patch","Vendor Advisory","REPORT"]},{"url":"https://phabricator.wikimedia.org/T71210","label":"phabricator.wikimedia.org/T71210","hostname":"phabricator.wikimedia.org","tags":["X Refsource CONFIRM"]},{"url":"https://ubuntu.com/security/CVE-2015-2937","label":"ubuntu.com/security/CVE-2015-2937","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-2937","label":"www.cve.org/CVERecord?id=CVE-2015-2937","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-2937","label":"security-tracker.debian.org/tracker/CVE-2015-2937","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["MGASA-2015-0142"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2015-04-13T14:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T05:32:20.563Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":29,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T23:00:43.166Z","stale":false,"partial":false}}