{"id":"CLSA-2026-1780946485","summary":"golang: Fix of 7 CVEs","details":"- CVE-2026-42499: replace the quadratic string concatenation in net/mail\n  consumePhrase with a strings.Builder so phrases containing many adjacent\n  RFC 2047 encoded-words are coalesced in linear time, preventing a denial\n  of service from pathological RFC 5322 address inputs\n- CVE-2026-42501: reject a checksum database (sumdb) /lookup/ response that\n  lacks a hash for the requested module in cmd/go checkSumDB instead of\n  silently treating it as verified, preventing a malicious module proxy from\n  bypassing checksum database validation and serving a corrupted module","modified":"2026-10-26T09:30:16.238886792Z","published":"2026-06-08T19:21:50Z","upstream":["CVE-2026-42499","CVE-2026-42501"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1780946485.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27140"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27144"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33811"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33814"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39820"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42499"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42501"}],"affected":[{"package":{"name":"go-toolset","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/go-toolset?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22.9-1.el9_2.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1780946485.json"}},{"package":{"name":"golang","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/golang?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22.9-1.el9_2.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1780946485.json"}},{"package":{"name":"golang-bin","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/golang-bin?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22.9-1.el9_2.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1780946485.json"}},{"package":{"name":"golang-docs","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/golang-docs?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22.9-1.el9_2.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1780946485.json"}},{"package":{"name":"golang-misc","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/golang-misc?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22.9-1.el9_2.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1780946485.json"}},{"package":{"name":"golang-src","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/golang-src?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22.9-1.el9_2.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1780946485.json"}},{"package":{"name":"golang-tests","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/golang-tests?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22.9-1.el9_2.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1780946485.json"}}],"schema_version":"1.9.0"}