CVE-2023-24532

high

Published 2023-05-25 · Modified 2026-02-04

CVSS v3

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CVSS v2

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VIR risk

8.0

Description

The ScalarMult and ScalarBaseMult methods of the P256 Curve may return an incorrect result if called with some specific unreduced scalars (a scalar larger than the order of the curve). This does not impact usages of crypto/ecdsa or crypto/ecdh.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2023-24532

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2023-24532.html

vendor Authored 2026-05-27

Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2023:3318

OS impact

OS	Version	Status	Fixed in
rhel	9	fixed
sles		affected
debian	bullseye	affected
debian	bookworm	fixed	`1.19.8-2`

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	stdlib	`>=1.20.0-0,<1.20.2`	`1.19.7`

References

Verify integrity in audit chain (admin only). AS-IS.