{"id":"openSUSE-SU-2026:20976-1","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":"2026-06-24T18:24:21.860467196Z","published":"2026-06-17T08:37:36Z","related":["CVE-2026-27145","CVE-2026-42504","CVE-2026-42507"],"upstream":["CVE-2026-27145","CVE-2026-42504","CVE-2026-42507"],"references":[{"type":"ADVISORY"},{"type":"REPORT","url":"https://bugzilla.suse.com/1245878"},{"type":"REPORT","url":"https://bugzilla.suse.com/1255111"},{"type":"REPORT","url":"https://bugzilla.suse.com/1264395"},{"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":"openSUSE:Leap 16.0","purl":"pkg:rpm/opensuse/go1.26&distro=openSUSE%20Leap%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.4-160000.1.1"}]}],"ecosystem_specific":{"binaries":[{"go1.26-libstd":"1.26.4-160000.1.1","go1.26-race":"1.26.4-160000.1.1","go1.26":"1.26.4-160000.1.1","go1.26-doc":"1.26.4-160000.1.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:20976-1.json"}}],"schema_version":"1.7.5"}