SB2026022430 - Incorrect calculation in Cloudflare circl
Published: February 24, 2026
Security Bulletin ID
SB2026022430
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Incorrect calculation (CVE-ID: CVE-2026-1229)
CWE-ID: CWE-682 - Incorrect Calculation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
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.