K000162604: NGINX ngx_http_v3_module vulnerability CVE-2026-90439
Classification: Important, Solution: Official Fix, Exploit Maturity: Not Defined, CVSSv3.1: 6.5, CVEs: CVE-2026-90439, Summary: NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_v3_module module. When using HTTP/3 with OpenSSL versions 3.5.0 and earlier under certain configurations, a limited heap buffer overflow could happen while processing a Transport Layer Security (TLS) handshake. This can happen in a non-deterministic manner that is beyond the attacker's control. This…
CVSS 6.5 CVE-2026-90439 NGINX OpenSSL FI