{"schemaVersion":3,"id":"CVE-2026-6368","aliases":["UBUNTU-CVE-2026-6368","DEBIAN-CVE-2026-6368"],"status":"published","duplicateOf":null,"title":null,"description":"Calling wordexp with WRDE_APPEND in the GNU C Library version 2.0 to version 2.43 can cause the interface to return invalid memory in the we_wordv member, which on subsequent calls to wordfree may abort the process.","dates":{"published":"2026-08-10T18:40:11.601Z","modified":"2026-08-12T18:01:05.410Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":2.1,"severity":"low","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/S:P/AU:Y/U:Green","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":2.1,"severity":"low","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/S:P/AU:Y/U:Green","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"OSV · Ubuntu","score":2.1,"severity":"low","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/S:P/AU:Y/U:Green","exploitability":null,"impact":null,"computed":true},{"version":"4.0","versionLabel":"v4.0","source":"OSV · Debian","score":2.1,"severity":"low","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:X/V:X/RE:X/U:Green","exploitability":null,"impact":null,"computed":true},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":2.1,"severity":"low","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:X/V:X/RE:X/U:Green","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00107,"percentile":0.01094,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00107},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00107,"percentile":0.01094}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00146,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00107,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00107,"percentile":0.01094}]},"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":[{"id":"CWE-908","name":"Use of Uninitialized Resource","description":"The product uses or accesses a resource that has not been initialized.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/908.html"}],"affected":[{"vendor":"debian","product":"glibc","name":"glibc","label":"glibc","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/glibc","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 2.43-4","noFixRecorded":false,"fixedIn":null}],"versionsText":"All versions (No fix recorded) | < 2.43-4","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"eglibc","name":"eglibc","label":"eglibc","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/eglibc","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"glibc","name":"glibc","label":"glibc","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/glibc","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 2.35-0ubuntu3.15","noFixRecorded":false,"fixedIn":null},{"text":"< 2.39-0ubuntu8.9","noFixRecorded":false,"fixedIn":null},{"text":"< 2.43-2ubuntu2.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"All versions (No fix recorded) | < 2.35-0ubuntu3.15 | < 2.39-0ubuntu8.9 | < 2.43-2ubuntu2.4","eol":null,"hubHref":null},{"vendor":"glibc","product":"glibc","name":"glibc","label":"glibc","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 1.93-260, < 2.43","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 1.93-260, < 2.43","eol":null,"hubHref":"/vendor/glibc/glibc"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=34090","label":"sourceware.org/bugzilla/show_bug.cgi?id=34090","hostname":"sourceware.org","tags":["Issue Tracking"]},{"url":"https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2026-0014;h=1e9a0039f07471ddfe6816e5df04875bec409f92;hb=HEAD","label":"sourceware.org/git","hostname":"sourceware.org","tags":["Vendor Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-6368","label":"ubuntu.com/security/CVE-2026-6368","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-6368","label":"www.cve.org/CVERecord?id=CVE-2026-6368","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2026-0014","label":"sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2026-0014","hostname":"sourceware.org","tags":["REPORT"]},{"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/notices/USN-8737-2","label":"ubuntu.com/security/notices/USN-8737-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-6368","label":"security-tracker.debian.org/tracker/CVE-2026-6368","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["MGASA-2026-0391","OPENSUSE-SU-2026:11660-1","OPENSUSE-SU-2026:21968-1","RHSA-2026:53069","RHSA-2026:76777","RHSA-2026:76781","RHSA-2026:79281","SUSE-SU-2026:23738-1","SUSE-SU-2026:23830-1","SUSE-SU-2026:23929-1","SUSE-SU-2026:23934-1","SUSE-SU-2026:23957-1","SUSE-SU-2026:4204-1","SUSE-SU-2026:4250-1","SUSE-SU-2026:4591-1","USN-8737-1","USN-8737-2"],"duplicates":[],"related":["OPENSUSE-SU-2026:11660-1","OPENSUSE-SU-2026:21968-1","SUSE-SU-2026:23738-1","SUSE-SU-2026:23830-1","SUSE-SU-2026:23929-1","SUSE-SU-2026:23934-1","SUSE-SU-2026:23957-1","SUSE-SU-2026:4204-1","SUSE-SU-2026:4250-1","SUSE-SU-2026:4591-1","USN-8737-1","USN-8737-2"]},"timeline":[{"kind":"published","date":"2026-08-10T18:40:11.601Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-12T18:01:05.410Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":8,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T02:15:56.377Z","stale":false,"partial":false}}