{"schemaVersion":3,"id":"USN-8737-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"glibc vulnerabilities\n\nIt was discovered that GNU C Library had a buffer overflow in the strfmon\nfunction when handling right-justification padding. An attacker could\npossibly use this issue to cause a denial of service or execute arbitrary\ncode. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-19499)\n\nIt was discovered that GNU C Library had an out-of-bounds stack array\naccess in the tdelete function. An attacker could possibly use this issue\nto cause a denial of service or execute arbitrary code. (CVE-2026-19542)\n\nIt was discovered that GNU C Library incorrectly handled memory when\ncalling wordexp with the WRDE_APPEND flag. An attacker could possibly use\nthis issue to cause a denial of service. (CVE-2026-6368)\n\nIt was discovered that GNU C Library had a stack overflow in the wordexp\nfunction when expanding paths beginning with a tilde followed by a long\nusername. An attacker could possibly use this issue to cause a denial of\nservice or execute arbitrary code. (CVE-2026-6791)\n\nIt was discovered that GNU C Library had a hang in the SHIFT_JISX0213\ncharacter set converter. An attacker could possibly use this issue to cause\na denial of service. (CVE-2026-77117)\n\nIt was discovered that GNU C Library had a hang in the EUC_JISX0213\ncharacter set converter. An attacker could possibly use this issue to cause\na denial of service. (CVE-2026-80489)","dates":{"published":"2026-09-08T15:17:47.000Z","modified":"2026-09-17T13:30:06.572Z","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":"< 2.35-0ubuntu3.15","noFixRecorded":false,"fixedIn":null},{"text":"< 2.43-2ubuntu2.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.35-0ubuntu3.15 | < 2.43-2ubuntu2.4","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8737-1","label":"ubuntu.com/security/notices/USN-8737-1","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":"2026-09-08T15:17:47.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-17T13:30:06.572Z","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":"2026-10-20T23:49:04.408Z","stale":false,"partial":false}}