PT-2025-48497 · Julia · Mbedtls Jll
Published
2025-11-21
·
Updated
2025-11-21
CVSS v3.1
4.7
Medium
| Vector | AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
The ECDSA signature implementation in ecdsa.c in Arm Mbed Crypto 2.1 and Mbed TLS through 2.19.1 does not reduce the blinded scalar before computing the inverse, which allows a local attacker to recover the private key via side-channel attacks.
Fix
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Related Identifiers
Affected Products
Mbedtls Jll