CVE-2025-22866 – Cisco Systems Elliptic Curve Key Leak Vulnerability

The following table lists the changes that have been made to the
CVE-2025-22866 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Feb. 06, 2025

    Action Type Old Value New Value
    Added Description Due to the usage of a variable time instruction in the assembly implementation of an internal function, a small number of bits of secret scalars are leaked on the ppc64le architecture. Due to the way this function is used, we do not believe this leakage is enough to allow recovery of the private key when P-256 is used in any well known protocols.
    Added Reference https://go.dev/cl/643735
    Added Reference https://go.dev/issue/71383
    Added Reference https://groups.google.com/g/golang-announce/c/xU1ZCHUZw3k
    Added Reference https://pkg.go.dev/vuln/GO-2025-3447
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