Threats Tagged 'cve-2026-54466'
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Threats Tagged 'cve-2026-54466'
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GHSA-xv26-6w52-cph6: websocket-driver: Message corruption via abuse of protocol length headersCVE-2026-54466 0 A vulnerability in websocket-driver prior to version 0.7.5 allows message corruption via abuse of protocol length headers. The issue arises because the WebSocket protocol draft frame format permits encoding an arbitrarily large integer length header as a sequence of bytes with the high bit set. A malicious client can send an indefinite sequence of such bytes, causing the server to parse an ever-growing integer that eventually loses precision due to JavaScript's 64-bit floating point number representation. This leads to incorrect parsing of the subsequent payload. The vulnerability has been patched in version 0.7.5 by rejecting messages with length headers exceeding the configured maximum message length. No known workarounds exist. Join the discussion | GCVE Database | 07/15/2026, 22:07:24 UTC Added: 07/16/2026, 10:35:58 UTC |
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