Critical 1 vendor · 1 advisory

CVE-2025-12543

CVE-2025-12543: critical-severity vulnerability covered by 1 tracked advisory record across Linux. Compare affected products, fixed versions and remediation.

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Linux1 advisory

Critical9.6Undertow HTTP Server Fails to Reject Malformed Host Headers Leading to Potential Cache Poisoning and SSRFJan 8, 2026