CVE-2010-4508

CriticalCVSS 10.0/10Last modified Jun 16, 2026

Description

The WebSockets implementation in Mozilla Firefox 4 through 4.0 Beta 7 does not properly perform proxy upgrade negotiation, which has unspecified impact and remote attack vectors, related to an "inherent problem" with the WebSocket specification.

Metrics

CVSS 2.0 10.0/10AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected software

No affected versions have been published.

Timeline

Published: Dec 9, 2010
Last modified: Jun 16, 2026
NVD status: Modified

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