{"schemaVersion":3,"id":"USN-2916-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"perl vulnerabilities\n\nIt was discovered that Perl incorrectly handled certain regular expressions\nwith an invalid backreference. An attacker could use this issue to cause\nPerl to crash, resulting in a denial of service, or possibly execute\narbitrary code. (CVE-2013-7422)\n\nMarkus Vervier discovered that Perl incorrectly handled nesting in the\nData::Dumper module. An attacker could use this issue to cause Perl to\nconsume memory and crash, resulting in a denial of service. (CVE-2014-4330)\n\nStephane Chazelas discovered that Perl incorrectly handled duplicate\nenvironment variables. An attacker could possibly use this issue to bypass\nthe taint protection mechanism. (CVE-2016-2381)","dates":{"published":"2016-03-02T13:37:19.000Z","modified":"2026-04-22T09:21:33.388Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"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":[],"affected":[{"vendor":"ubuntu","product":"perl","name":"perl","label":"perl","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/perl","purlType":"deb","versions":[{"text":"< 5.18.2-2ubuntu1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.18.2-2ubuntu1.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-2916-1","label":"ubuntu.com/security/notices/USN-2916-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2013-7422","label":"ubuntu.com/security/CVE-2013-7422","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2014-4330","label":"ubuntu.com/security/CVE-2014-4330","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-2381","label":"ubuntu.com/security/CVE-2016-2381","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2013-7422","CVE-2014-4330","CVE-2016-2381"],"downstream":[],"duplicates":[],"related":["CVE-2013-7422","CVE-2014-4330","CVE-2016-2381"]},"timeline":[{"kind":"published","date":"2016-03-02T13:37:19.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T09:21:33.388Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T19:04:48.430Z","stale":false,"partial":false}}