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OPENSUSE-SU-2026:21480-1 Not scored

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).

Exploit probability Not scored
Published July 30, 2026
Required by Not available
Last source change July 31, 2026

02 / AFFECTED SOFTWARE

Affected packages

openSUSE:Leap 16.0 mcphost

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities openSUSE-SU-2026:21480-1

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).

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05 / REFERENCES

Further evidence