CVE-2026-92853
CVE-2026-92853 · Out-of-bounds Read via a Zero-length TLS 1.3 Certificate Message in NetX Secure
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The TLS 1.3 Certificate-message parser in NetX Secure decrements the message length to skip a context byte without first establishing that the message has a byte to skip. A zero-length Certificate message therefore wraps the unsigned length to `0xFFFFFFFF`, which makes the bounds check that follows vacuous and sends the parser reading past the session packet buffer. The trigger is a four-byte handshake header and requires no cryptographic validity. It is reachable pre-authentication.
CVSS 8.7 · Élevée · EPSS 0,3% · Correctif disponible
- Publication
- Mise à jour
Produits et versions concernés
eclipse threadx - netx duo
- Versions du logiciel
- ≥ 0, ≤ 6.5.1.202602: Concernée (semver)
- 6.5.2.202603: Non concernée
Mettez à jour vers 6.5.2.202603