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CVE-2026-62243

Publié : 22 août 2026
Modifié : 22 août 2026
Lien officiel NVD
Score CVSS
7.5
HIGH

Description détaillée

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.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Références et Patchs

https://github.com/netty/netty/security/advisories/GHSA-p85m-gvr3-788chttps://www.vulncheck.com/advisories/netty-through-tls-hostname-verification-bypass

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