CVE-2026-1229 — Incorrect calculation in CIRCL secp384r1 CombinedMult
The CombinedMult function in the CIRCL ecc/p384 package (secp384r1 curve) produces an incorrect value for specific inputs. The issue is fixed by using complete addition formulas…
Published: 2026-02-24 · CVSS: 2.9 · CVSS 4.0
The CombinedMult function in the CIRCL ecc/p384 package (secp384r1 curve) produces an incorrect value for specific inputs. The issue is fixed by using complete addition formulas. ECDH and ECDSA signing relying on this curve are not affected. The bug was fixed in v1.6.3 https://github.com/cloudflare/circl/releases/tag/v1.6.3 .
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7