{"id":"SUSE-SU-2026:2327-1","summary":"Security update for go1.26","details":"This update for go1.26 fixes the following issues\n\nUpdate to go1.26.4 (bsc#1255111):\n\n- CVE-2026-27145: crypto/x509: split candidate hostname only once (bsc#1267450).\n- CVE-2026-42504: mime: quadratic complexity in WordDecoder.DecodeHeader (bsc#1267442).\n- CVE-2026-42507: net/textproto: arbitrary input are included in errors without any escaping (bsc#1267444).\n\nChanges:\n\n * go#79230 go#79217 boo#1267442 security: fix CVE-2026-42504 mime: quadratic complexity in WordDecoder.DecodeHeader\n * go#79426 go#79346 boo#1267444 security: fix CVE-2026-42507 net/textproto: arbitrary input are included in errors \n   without any escaping\n * go#79701 go#79694 boo#1267450 security: fix CVE-2026-27145 crypto/x509: split candidate hostname only once\n * go#79191 cmd/compile: Bug in rewrite rules for AMD64 causes SHL instruction overflow and miscompilation\n * go#79226 crypto/internal/fips140/drbg: backport CL 774221 to Go 1.26\n * go#79349 cmd/fix: x/tools/go/analysis/passes/modernize: slicescontains hoists needle expression, changing side \n   effect count\n * go#79686 runtime/race: change in 93a4f03 leads to a failed build on Amazon Linux 2 and arm64\n","modified":"2026-06-10T16:15:22.856668660Z","published":"2026-06-09T19:06:52Z","related":["CVE-2026-27145","CVE-2026-42504","CVE-2026-42507"],"upstream":["CVE-2026-27145","CVE-2026-42504","CVE-2026-42507"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20262327-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1255111"},{"type":"REPORT","url":"https://bugzilla.suse.com/1267442"},{"type":"REPORT","url":"https://bugzilla.suse.com/1267444"},{"type":"REPORT","url":"https://bugzilla.suse.com/1267450"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-27145"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-42504"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-42507"}],"affected":[{"package":{"name":"go1.26","ecosystem":"SUSE:Linux Enterprise Module for Development Tools 15 SP7","purl":"pkg:rpm/suse/go1.26&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.4-150000.1.15.1"}]}],"ecosystem_specific":{"binaries":[{"go1.26":"1.26.4-150000.1.15.1","go1.26-doc":"1.26.4-150000.1.15.1","go1.26-race":"1.26.4-150000.1.15.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:2327-1.json"}},{"package":{"name":"go1.26","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS","purl":"pkg:rpm/suse/go1.26&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.4-150000.1.15.1"}]}],"ecosystem_specific":{"binaries":[{"go1.26":"1.26.4-150000.1.15.1","go1.26-doc":"1.26.4-150000.1.15.1","go1.26-race":"1.26.4-150000.1.15.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:2327-1.json"}},{"package":{"name":"go1.26","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 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