{"schemaVersion":3,"id":"OPENSUSE-SU-2026:21927-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for apptainer\n\nThis update for apptainer fixes the following issues:\n\nChanges in apptainer:\n\n- Fix potential authentication bypass and deadlocks in the\n  crypto/ssh library by updating golang.org/x/crypto to v0.56.0.\n  CVE-2026-56854,CVE-2026-78662,CVE-2026-56855 (bsc#1278666)\n- Fix\n  * a potential DoS via crash due to missing ':authority' and\n    'Host' headers in gRPC-Go xDS servers CVE-2026-84445 (bsc#1279033),\n  * a potential heap memory exhaustion via HTTP/2 DATA frame\n     fragmentation CVE-2026-84304 (bsc#1279236),\n  * a potential bypass of authorization policies via mixed-case\n    or canonical-case header matches due to an xDS RBAC HTTP filter\n    implementation issue CVE-2026-84303 (bsc#1279333)\n  by updating google.golang.org/grpc to v1.83.2","dates":{"published":"2026-09-21T13:53:22.000Z","modified":"2026-09-25T18:23:13.330Z","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":"opensuse","product":"apptainer&distro=openSUSE Leap 16.0","name":"apptainer","label":"apptainer&distro=openSUSE Leap 16.0","ecosystem":"openSUSE","cpePart":null,"purl":"pkg:rpm/opensuse/apptainer&distro=openSUSE Leap 16.0","purlType":"rpm","versions":[{"text":"< 1.5.3-bp160.4.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.5.3-bp160.4.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugzilla.suse.com/1278666","label":"bugzilla.suse.com/1278666","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1279033","label":"bugzilla.suse.com/1279033","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1279236","label":"bugzilla.suse.com/1279236","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1279333","label":"bugzilla.suse.com/1279333","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2026-56854","label":"www.suse.com/security/cve/CVE-2026-56854","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-56855","label":"www.suse.com/security/cve/CVE-2026-56855","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-78662","label":"www.suse.com/security/cve/CVE-2026-78662","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-84303","label":"www.suse.com/security/cve/CVE-2026-84303","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-84304","label":"www.suse.com/security/cve/CVE-2026-84304","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-84445","label":"www.suse.com/security/cve/CVE-2026-84445","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2026-56854","CVE-2026-56855","CVE-2026-78662","CVE-2026-84303","CVE-2026-84304","CVE-2026-84445"],"downstream":[],"duplicates":[],"related":["CVE-2026-56854","CVE-2026-56855","CVE-2026-78662","CVE-2026-84303","CVE-2026-84304","CVE-2026-84445"]},"timeline":[{"kind":"published","date":"2026-09-21T13:53:22.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-25T18:23:13.330Z","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":"2026-10-22T18:54:12.966Z","stale":false,"partial":false}}