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Product · Cloudflare

CIRCL

2 known vulnerabilities.

CIRCL at a glance

Last 12 months
1
Critical · all time
0
Exploited · all time
0
Public exploit · all time
0
New vulnerabilities per month · last 12 months
0 1 1 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 1 vulnerability March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
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All Critical High Medium Low Exploited only Public exploit

2 results · Feed

  • Low 2.9
    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. ECDH and ECDSA signing relying on this curve are not affected. The bug was fixed…

    Cloudflare CIRCL rclone github.com/cloudflare/circl Ubuntu Alpine Go
  • Medium 5.3
    CVE-2023-1732

    Improper random reading in CIRCL

    When sampling randomness for a shared secret, the implementation of Kyber and FrodoKEM, did not check whether crypto/rand.Read() returns an error. In rare deployment cases (error thrown by the Read() function), this could lead to a predictable shared secret. …

    Cloudflare CIRCL github.com/cloudflare/circl Go