{"id":"ALSA-2026:22112","summary":"Important: go-toolset:rhel8 security update","details":"Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang.   \n\nSecurity Fix(es):  \n\n  * net/mail: golang: net/mail: Denial of Service via pathological email address parsing (CVE-2026-42499)\n  * cmd/go: golang: Go command (cmd/go): Integrity bypass due to checksum validation flaw via malicious module proxy (CVE-2026-42501)\n  * html/template: golang: Go html/template: Cross-Site Scripting via improper URL escaping in meta tag content (CVE-2026-39823)\n  * cmd/go: golang: Go 'go bug' command: Arbitrary file overwrite via symlink attack (CVE-2026-39819)\n  * net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame (CVE-2026-33814)\n  * net/mail: golang: Go net/mail: Denial of Service via crafted email inputs (CVE-2026-39820)\n  * net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)\n  * net/http/httputil: golang: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls (CVE-2026-39825)\n  * cmd/go: golang: Go tool pack: Arbitrary file write via malicious archive extraction (CVE-2026-39817)\n  * html/template: golang: html/template: Cross-site scripting due to incorrect script tag escaping (CVE-2026-39826)\n  * net: golang: Go net package: Denial of Service via NUL byte in Dial and LookupPort on Windows (CVE-2026-39836)\n\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.\n","modified":"2026-09-30T09:11:42.883212528Z","published":"2026-06-01T00:00:00Z","related":["CVE-2026-33811","CVE-2026-33814","CVE-2026-39817","CVE-2026-39819","CVE-2026-39820","CVE-2026-39823","CVE-2026-39825","CVE-2026-39826","CVE-2026-39836","CVE-2026-42499","CVE-2026-42501"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:22112"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-33811"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-33814"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-39817"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-39819"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-39820"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-39823"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-39825"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-39826"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-39836"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-42499"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-42501"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2467822"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2026-22112.html"}],"affected":[{"package":{"name":"delve","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/delve"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.2-1.module_el8.10.0+4074+24330916"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:22112.json"}},{"package":{"name":"go-toolset","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/go-toolset"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.10-1.module_el8.10.0+4187+c45165c4"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:22112.json"}},{"package":{"name":"golang","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/golang"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.10-1.module_el8.10.0+4187+c45165c4"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:22112.json"}},{"package":{"name":"golang-bin","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/golang-bin"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.10-1.module_el8.10.0+4187+c45165c4"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:22112.json"}},{"package":{"name":"golang-docs","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/golang-docs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.10-1.module_el8.10.0+4187+c45165c4"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:22112.json"}},{"package":{"name":"golang-misc","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/golang-misc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.10-1.module_el8.10.0+4187+c45165c4"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:22112.json"}},{"package":{"name":"golang-race","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/golang-race"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.10-1.module_el8.10.0+4187+c45165c4"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:22112.json"}},{"package":{"name":"golang-src","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/golang-src"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.10-1.module_el8.10.0+4187+c45165c4"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:22112.json"}},{"package":{"name":"golang-tests","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/golang-tests"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.10-1.module_el8.10.0+4187+c45165c4"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:22112.json"}}],"schema_version":"1.9.0"}