Important: go-toolset:rhel8 security, bug fix, and enhancement update
Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang. Security Fix(es): * golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821) * crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145) * os: golang: Go os.Root: Symlink following vulnerability allows directory traversal (CVE-2026-39822) Bug Fix(es) and Enhancement(s): * Update Go to version 1.26.5+1 [almalinux-8.10.z] (JIRA:AlmaLinux-193478) For 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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang. Security Fix(es): * golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821) * crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145) * os: golang: Go os.Root: Symlink following vulnerability allows directory traversal (CVE-2026-39822) Bug Fix(es) and Enhancement(s): * Update Go to version 1.26.5+1 [almalinux-8.10.z] (JIRA:AlmaLinux-193478) For 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.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2026:38995
- https://access.redhat.com/security/cve/CVE-2026-27145
- https://access.redhat.com/security/cve/CVE-2026-39821
- https://access.redhat.com/security/cve/CVE-2026-39822
- https://bugzilla.redhat.com/2480756
- https://bugzilla.redhat.com/2484207
- https://bugzilla.redhat.com/2498152
- https://errata.almalinux.org/8/ALSA-2026-38995.html