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CVE-2026-11404 Cesanta Mongoose before 7.22 contains an out-of-bounds read in the built-in TLS server function…
Description
Cesanta Mongoose before 7.22 contains an out-of-bounds read in the built-in TLS server function mg_tls_server_recv_hello(), which uses an attacker-controlled session_id_len byte from a TLS ClientHello as a buffer index without validating it against the length of received data. A remote, unauthenticated attacker can send a single crafted ClientHello with an oversized session id length to read past the receive buffer, crashing any HTTPS, MQTTS, or WSS service built on MG_TLS_BUILTIN.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Mongoose 7.22 | premières → < 7.22 | 7.22 |
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