Verified

ghsa:GHSA-2MJX-QC3C-RQVC: rustls >= 0.23.13, < 0.23.45

Rustls: TLS 1.3 handshake messages incorrectly accepted across encryption level boundaries. Affected range: >= 0.23.13, < 0.23.45. Fixed version: 0.23.45.

Affected technology

rustls · >= 0.23.13, < 0.23.45
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Impact An on path attacker can inject plaintext messages that are accepted. ### Tool Use Disclosure This was discovered by a new TLS/DTLS test suite currently under construction. Source advisory’s CVSS 3.1 assessment rates confidentiality impact as low; integrity and availability impact as none.

Published 12-Oct-2026 10:15 UTC

Product: rustls
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-06 00:14:20.210633+00:00 UTC

Stable permalink: https://cybercodered.org/item/adv-ghsa-ghsa-2mjx-qc3c-rqvc.html