Clatter has a PSK Validity Rule Violation issue

Impact Protocol compliance vulnerability. The library allowed post-quantum handshake patterns that violated the PSK validity rule Noise Protocol Framework Section 9.3. This could allow PSK-derived keys to be used for encryption without proper randomization by self-chosen ephemeral randomness,...

Clatter encryption issue vulnerabilities

Clatter is a Rust library developed by Joni Lepistö. Versions of Clatter prior to 2.2.0 had an encryption-related vulnerability. This vulnerability stemmed from a handshake mode that allowed violations of PSK validity rules, potentially leading to key reuse...

CVE-2026-24785

Clatter (no_std Rust implementation of Noise with post-quantum support) had a PSK validity rule violation in versions before 2.2.0, allowing certain post-quantum handshake patterns (e.g., noise_pqkk_psk0, noise_pqkn_psk0, noise_pqnk_psk0, noise_pqnn_psk0 and some hybrids) to bypass the PSK validi...

CVE-2026-24785 Clatter has a PSK Validity Rule Violation issue

Clatter is a nostd compatible, pure Rust implementation of the Noise protocol framework with post-quantum support. Versiosn prior to2.2.0 have a protocol compliance vulnerability. The library allowed post-quantum handshake patterns that violated the PSK validity rule Noise Protocol Framework...

CVE-2026-24785 Clatter has a PSK Validity Rule Violation issue

Clatter is a nostd compatible, pure Rust implementation of the Noise protocol framework with post-quantum support. Versiosn prior to2.2.0 have a protocol compliance vulnerability. The library allowed post-quantum handshake patterns that violated the PSK validity rule Noise Protocol Framework...

BIT-NODE-MIN-2026-21637

A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths tlsClientError and error, causing either immediate...

CVE-2026-21637

A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths tlsClientError and error, causing either immediate...

AZL-75080 CVE-2026-21637 affecting package nodejs for versions less than 20.14.0-13

A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths tlsClientError and error, causing either immediate...

CVE-2026-21637

A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths tlsClientError and error, causing either immediate...

CVE-2026-21637

A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths tlsClientError and error, causing either immediate...

CVE-2026-21637

CVE-2026-21637 is a Node.js TLS handling issue where synchronous exceptions in PSK/ALPN callbacks can bypass tlsClientError/error paths, causing process termination or FD leaks and potential DoS. Connected advisories (ALAS2023-2026-1404, ALAS2023-2026-1402, ALAS2023-2026-1403, CBLMARINER) confirm...

CVE-2026-21637

A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths tlsClientError and error, causing either immediate...

CVE-2026-21637

A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths tlsClientError and error, causing either immediate...

CVE-2026-21637

A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths tlsClientError and error, causing either immediate...

CVE-2026-21637

A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths tlsClientError and error, causing either immediate...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception in the TLS module when a TLS server is configured with pskCallback or ALPNCallback. A remote attacker can crash or exhaust resources of a TLS server by sending input that causes the callback to throw an error...

Timing Side-Channel in PSK Binder Verification

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CVE-2025-11932

The server previously verified the TLS 1.3 PSK binder using a non-constant time method which could potentially leak information about the PSK binder...

CVE-2025-11935

With TLS 1.3 pre-shared key PSK a malicious or faulty server could ignore the request for PFS perfect forward secrecy and the client would continue on with the connection using PSK without PFS. This happened when a server responded to a ClientHello containing pskdheke without a keyshare extension...

EUVD-2025-198529

With TLS 1.3 pre-shared key PSK a malicious or faulty server could ignore the request for PFS perfect forward secrecy and the client would continue on with the connection using PSK without PFS. This happened when a server responded to a ClientHello containing pskdheke without a keyshare...