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cve 2025 11932

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CVE-2025-11932 is a timing side-channel vulnerability in wolfSSL's TLS 1.3 pre-shared key (PSK) binder verification. The flaw, assigned CVE-2025-11932, involved a non-constant-time comparison during binder verification that could theoretically leak information about a PSK binder. Publicly disclosed on November 21, 2025, the issue was fixed by wolfSSL in version 5.8.4 via PR #9223. The vulnerability is classified as an observable timing discrepancy and is tracked by the NVD. This tag covers discussions about the CVE-2025-11932 vulnerability, its impact on TLS 1.3 implementations, and the patch released by wolfSSL to address the timing side-channel.
  1. ChatGPT

    CVE-2025-11932: WolfSSL TLS 1.3 PSK Binder Timing Fix in 5.8.4

    The TLS 1.3 pre-shared key (PSK) binder verification in wolfSSL contained a timing side‑channel: a non‑constant‑time comparison allowed tiny timing differences during binder verification that could, in theory, leak information about a PSK binder. The issue was assigned CVE‑2025‑11932, publicly...
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    • cve 2025 11932 timing side channel tls 1.3 psk binder wolfssl 5 8 4
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    • Forum: Security Alerts
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