CVE-2023-24532 - CVE House
Back to Database
Status published Unknown CVE-2023-24532

Incorrect calculation on P256 curves in crypto/internal/nistec

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-24532

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Guido Vranken, via the Ethereum Foundation bug bounty program

References

More from Go standard library

View All →
CVE-2025-68121
Unexpected session resumption in crypto/tls
Unknown 0
CVE-2025-61730
Handshake messages may be processed at the incorrect encryption level in crypto/tls
Unknown 0
CVE-2025-61729
Excessive resource consumption when printing error string for host certificate validation in crypto/x509
Unknown 0
CVE-2025-61728
Excessive CPU consumption when building archive index in archive/zip
Unknown 0
CVE-2025-61727
Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509
Unknown 0

Affected Vendor

Go standard library

View all reports →

Affected Software

crypto/internal/nistec
Vulnerable Versions:
0, 1.20.0-0

Timeline

Official Publish: March 8th, 2023
Last Modified: August 2nd, 2024
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.