SB2026022430 - Incorrect calculation in Cloudflare circl



SB2026022430 - Incorrect calculation in Cloudflare circl

Published: February 24, 2026

Security Bulletin ID SB2026022430
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Incorrect calculation (CVE-ID: CVE-2026-1229)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to incorrect calculation within the CombinedMult() function in the CIRCL ecc/p384 package (secp384r1 curve). A remote attacker can pass specially crafted input to the application and perform a denial of service attack. 


Remediation

Install update from vendor's website.