Security update for mcphost
This update for mcphost fixes the following issues: - CVE-2026-5160: github.com/yuin/goldmark/renderer: Cross-site Scripting due to improper URL validation (bsc#1272488). - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266572). - CVE-2026-56852: golang.org/x/text/unicode/norm: infinite loop on truncated/invalid UTF-8 input (bsc#1272131).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for mcphost fixes the following issues: - CVE-2026-5160: github.com/yuin/goldmark/renderer: Cross-site Scripting due to improper URL validation (bsc#1272488). - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266572). - CVE-2026-56852: golang.org/x/text/unicode/norm: infinite loop on truncated/invalid UTF-8 input (bsc#1272131).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1266572
- https://bugzilla.suse.com/1272131
- https://bugzilla.suse.com/1272488
- https://www.suse.com/security/cve/CVE-2026-39821
- https://www.suse.com/security/cve/CVE-2026-5160
- https://www.suse.com/security/cve/CVE-2026-56852
- https://www.suse.com/support/update/announcement/2026/suse-su-202622994-1/