CVE-2026-92843 — Out-of-bounds Read via the TLS 1.3 Certificate extensions_length in NetX Secure
A missing bounds check in the TLS 1.3 Certificate-message parser of NetX Secure lets a malicious TLS 1.3 server trigger an unsigned-integer underflow and a subsequent heap out-o…
Published: 2026-10-20 · CVSS: 8.7 · CVSS 4.0
A missing bounds check in the TLS 1.3 Certificate-message parser of NetX Secure lets a malicious TLS 1.3 server trigger an unsigned-integer underflow and a subsequent heap out-of-bounds read in any peer that processes a remote Certificate message. It is reachable pre-authentication, during the normal handshake, before certificate verification completes.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7