{"schemaVersion":3,"id":"USN-8737-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"glibc vulnerabilities\n\nUSN-8737-1 fixed vulnerabilities in GNU C Library. This update provides\nthe corresponding fixes for Ubuntu 24.04 LTS.\n\nOriginal advisory details:\n\n It was discovered that GNU C Library had a buffer overflow in the strfmon\n function when handling right-justification padding. An attacker could\n possibly use this issue to cause a denial of service or execute arbitrary\n code. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-19499)\n\n It was discovered that GNU C Library had an out-of-bounds stack array\n access in the tdelete function. An attacker could possibly use this issue\n to cause a denial of service or execute arbitrary code. (CVE-2026-19542)\n\n It was discovered that GNU C Library incorrectly handled memory when\n calling wordexp with the WRDE_APPEND flag. An attacker could possibly use\n this issue to cause a denial of service. (CVE-2026-6368)\n\n It was discovered that GNU C Library had a stack overflow in the wordexp\n function when expanding paths beginning with a tilde followed by a long\n username. An attacker could possibly use this issue to cause a denial of\n service or execute arbitrary code. (CVE-2026-6791)\n\n It was discovered that GNU C Library had a hang in the SHIFT_JISX0213\n character set converter. An attacker could possibly use this issue to cause\n a denial of service. (CVE-2026-77117)\n\n It was discovered that GNU C Library had a hang in the EUC_JISX0213\n character set converter. An attacker could possibly use this issue to cause\n a denial of service. (CVE-2026-80489)","dates":{"published":"2026-09-10T11:25:21.000Z","modified":"2026-09-17T13:30:04.372Z","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":"< 2.39-0ubuntu8.9","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.39-0ubuntu8.9","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8737-2","label":"ubuntu.com/security/notices/USN-8737-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-6368","label":"ubuntu.com/security/CVE-2026-6368","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-6791","label":"ubuntu.com/security/CVE-2026-6791","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-19499","label":"ubuntu.com/security/CVE-2026-19499","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-19542","label":"ubuntu.com/security/CVE-2026-19542","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-77117","label":"ubuntu.com/security/CVE-2026-77117","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-80489","label":"ubuntu.com/security/CVE-2026-80489","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2026-19499","CVE-2026-19542","CVE-2026-6368","CVE-2026-6791","CVE-2026-77117","CVE-2026-80489"],"downstream":[],"duplicates":[],"related":["CVE-2026-19499","CVE-2026-19542","CVE-2026-6368","CVE-2026-6791","CVE-2026-77117","CVE-2026-80489"]},"timeline":[{"kind":"published","date":"2026-09-10T11:25:21.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-17T13:30:04.372Z","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":"2026-10-21T03:17:41.866Z","stale":false,"partial":false}}