Ubuntu 22.04 — undertow — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 16 July 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8144-1 Related CVEs: CVE-2025-12543 Upstream summary: It was discovered that Undertow incorrectly validated the Host header in incoming HTTP requests. A remote attacker could possibly use this issue to gain […]