CVE-2026-1229
CIRCL has an incorrect calculation in secp384r1 CombinedMult in github.com/cloudflare/circl
EPSS 0.03%
Description
CIRCL has an incorrect calculation in secp384r1 CombinedMult in github.com/cloudflare/circl
How to fix CVE-2026-1229
To remediate CVE-2026-1229, upgrade the affected package to a fixed version below.
- Go/github.com/cloudflare/circl—upgrade to 1.6.3 or later
- Go/github.com/cloudflare/circl—upgrade to 1.6.3 or later
Is CVE-2026-1229 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.6.3
- from 0, < 1.6.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/U:Amber |