{"schemaVersion":3,"id":"USN-5310-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"glibc vulnerabilities\n\nUSN-5310-1 fixed several vulnerabilities in GNU. This update provides\nthe corresponding update for Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that the GNU C library getcwd function incorrectly\n handled buffers. An attacker could use this issue to cause the GNU C\n Library to crash, resulting in a denial of service, or possibly execute\n arbitrary code. (CVE-2021-3999)\n\n It was discovered that the GNU C Library sunrpc module incorrectly handled\n buffer lengths. An attacker could possibly use this issue to cause the GNU\n C Library to crash, resulting in a denial of service. (CVE-2022-23218,\n CVE-2022-23219)","dates":{"published":"2022-03-07T14:01:17.000Z","modified":"2026-06-25T13:31:02.323Z","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":"glibc","name":"glibc","label":"glibc","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/glibc","purlType":"deb","versions":[{"text":"< 2.23-0ubuntu11.3+esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.23-0ubuntu11.3+esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5310-2","label":"ubuntu.com/security/notices/USN-5310-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-3999","label":"ubuntu.com/security/CVE-2021-3999","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-23218","label":"ubuntu.com/security/CVE-2022-23218","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-23219","label":"ubuntu.com/security/CVE-2022-23219","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2021-3999","CVE-2022-23218","CVE-2022-23219"],"downstream":[],"duplicates":[],"related":["CVE-2021-3999","CVE-2022-23218","CVE-2022-23219"]},"timeline":[{"kind":"published","date":"2022-03-07T14:01:17.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:31:02.323Z","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":"2026-10-19T18:08:57.516Z","stale":false,"partial":false}}