{"schemaVersion":3,"id":"MGASA-2020-0093","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated patch packages fix security vulnerabilities\n\nUpdated patch package fixes security vulnerabilities:\n\n* In GNU patch through 2.7.6, the following of symlinks is mishandled\n  in certain cases other than input files. (CVE-2019-13636).\n\n* A vulnerability was found in GNU patch through 2.7.6 is vulnerable to\n  OS shell command injection that can be exploited by opening a crafted\n  patch file that contains an ed style diff payload with shell\n  metacharacters (CVE-2019-13638).\n\n* A vulnerability was found in do_ed_script in pch.c in GNU patch through\n  2.7.6 does not block strings beginning with a ! character. NOTE: this\n is the same commit as for CVE-2019-13638, but the ! syntax is specific to\n  ed, and is unrelated to a shell metacharacter (CVE-2018-20969).","dates":{"published":"2020-02-21T23:06:01.000Z","modified":"2026-04-16T04:42:03.302Z","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":"mageia","product":"patch","name":"patch","label":"patch","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/patch","purlType":"rpm","versions":[{"text":"< 2.7.6-4.1.mga7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.7.6-4.1.mga7","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2020-0093.html","label":"advisories.mageia.org/MGASA-2020-0093.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=25279","label":"bugs.mageia.org/show_bug.cgi?id=25279","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/SVWWGISFWACROJJPVJJL4UBLVZ7LPOLT/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]},{"url":"https://access.redhat.com/errata/RHSA-2019:2798","label":"access.redhat.com/errata/RHSA-2019:2798","hostname":"access.redhat.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2018-20969","CVE-2019-13636","CVE-2019-13638"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-02-21T23:06:01.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-16T04:42:03.302Z","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":"2026-10-20T06:32:27.066Z","stale":false,"partial":false}}