{"id":"RLSA-2026:38995","summary":"Important: go-toolset:rhel8 security, bug fix, and enhancement update","details":"Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang. \n\nSecurity Fix(es):\n\n* golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)\n\n* crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145)\n\n* os: golang: Go os.Root: Symlink following vulnerability allows directory traversal (CVE-2026-39822)\n\nBug Fix(es) and Enhancement(s):\n\n* Update Go to version 1.26.5+1 [rhel-8.10.z] (JIRA:Rocky Linux-193478)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-07-15T12:30:06.271758069Z","published":"2026-07-15T12:01:08.928069Z","upstream":["CVE-2026-27145","CVE-2026-39821","CVE-2026-39822"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:38995"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2480756"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2484207"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2498152"}],"affected":[{"package":{"name":"delve","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/delve?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.26.1-1.module+el8.10.0+40244+e7cb3ff8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:38995.json"}},{"package":{"name":"golang","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/golang?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:38995.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}