CVE-2024-28854

tls-listener is a rust lang wrapper around a connection listener to support TLS. With the default configuration of tls-listener, a malicious user can open 6.4 `TcpStream`s a second, sending 0 bytes, and can trigger a DoS. The default configuration options make any public service using `TlsListener::new()` vulnerable to a slow-loris DoS attack. This impacts any publicly accessible service using the default configuration of tls-listener in versions prior to 0.10.0. Users are advised to upgrade. Users unable to upgrade may mitigate this by passing a large value, such as `usize::MAX` as the parameter to `Builder::max_handshakes`.

• CWE-400
• CWE-400

• https://en.wikipedia.org/wiki/Slowloris_(computer_security)Product
• https://github.com/tmccombs/tls-listener/commit/d5a7655d6ea9e53ab57c3013092c5576da964bc4Patch
• https://github.com/tmccombs/tls-listener/security/advisories/GHSA-2qph-qpvm-2qf7Exploit, Mitigation, Third Party Advisory
• https://en.wikipedia.org/wiki/Slowloris_(computer_security)Product
• https://github.com/tmccombs/tls-listener/commit/d5a7655d6ea9e53ab57c3013092c5576da964bc4Patch
• https://github.com/tmccombs/tls-listener/security/advisories/GHSA-2qph-qpvm-2qf7Exploit, Mitigation, Third Party Advisory

Published

Mar 15, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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