{"schemaVersion":3,"id":"SUSE-SU-2026:4392-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for cosign\n\nThis update for cosign fixes the following issues:\n\n- CVE-2026-56852: golang.org/x/text/unicode/norm: infinite loop on truncated/invalid UTF-8 input (bsc#1272117).\n- CVE-2026-56854,CVE-2026-56855,CVE-2026-78662: golang.org/x/crypto/ssh: authentication bypass and deadlocks in the\n  crypto/ssh library (bsc#1278614).\n- CVE-2026-56864: x/mod/sumdb: ignore unrelated, unauthenticated hashes in Lookup (bsc#1275025).\n- CVE-2026-84304: google.golang.org/grpc: heap memory exhaustion via HTTP/2 DATA frame fragmentation (bsc#1279215).\n- Verification bypass via public key in legacy bundle (bsc#1282542).\n\nChanges for cosign:\n\n- update to 3.1.3:\n * Auto-detect default digest algorithm for public keys\n * fix(pkcs11key): return an error instead of panicking when no\n key pair matches\n * Supporting OCI Signing with X.509 Certificate Chain\n * fix: prevent shell completions for various options not taking\n filenames\n * fix(blob): compare file checksums case-insensitively in\n * Verification bypass via public key in legacy bundle (GHSA-\n fx35-mq7g-6g98, bsc#1282542)","dates":{"published":"2026-09-29T11:49:16.000Z","modified":"2026-09-30T12:00:04.614Z","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":"suse","product":"cosign&distro=SUSE Linux Enterprise High Performance Computing 15 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3.1.3-150400.3.57.1","eol":null,"hubHref":null}],"affectedCount":11,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264392-1/","label":"www.suse.com/support/update/announcement/2026/suse-su-20264392-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1272117","label":"bugzilla.suse.com/1272117","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1275025","label":"bugzilla.suse.com/1275025","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1278614","label":"bugzilla.suse.com/1278614","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1279215","label":"bugzilla.suse.com/1279215","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1282542","label":"bugzilla.suse.com/1282542","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2026-56852","label":"www.suse.com/security/cve/CVE-2026-56852","hostname":"www.suse.com","tags":["WEB"]},{"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-2026-56864","label":"www.suse.com/security/cve/CVE-2026-56864","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-2026-84304","label":"www.suse.com/security/cve/CVE-2026-84304","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2026-56852","CVE-2026-56854","CVE-2026-56855","CVE-2026-56864","CVE-2026-78662","CVE-2026-84304"],"downstream":[],"duplicates":[],"related":["CVE-2026-56852","CVE-2026-56854","CVE-2026-56855","CVE-2026-56864","CVE-2026-78662","CVE-2026-84304"]},"timeline":[{"kind":"published","date":"2026-09-29T11:49:16.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-30T12:00:04.614Z","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":"2026-10-22T19:55:08.263Z","stale":false,"partial":false}}