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cve-2026-62243
Netty 4. 2. 0 through 4. 2. 16 TLS Hostname Verification Bypass
CVE-2026-62243 - Netty 4.2.0 through 4.2.16 TLS Hostname Verification Bypass
CVE ID : CVE-2026-62243 Published : Aug. 22, 2026, 12:26 p. m. • 44 minutes ago Description : Netty (io. netty:netty-handler) versions from 4. 2. 0. Final through 4. 2. 16. Final and versions through 4. 1. 136. Final disable TLS hostname verification on the SslProvider. OPENSSL client path when a plain (non-extended) X509TrustManager is used and Unsafe-based trust-manager wrapping is unavailable (Java 25+). In this configuration the OpenSSL client does not perform hostname verification, allowing a man-in-the-middle attacker to present a certificate issued for a different hostname that is accepted without validation. Fixed in 4. 2. 17. Final and 4. 1. 137. Final. Severity: 8.7 • HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...
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