CVE-2025-8556

Aug. 6, 2025, 8:23 p.m.

3.7
Low

Description

A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to compromise session security via low-order point injection and incorrect point validation during Diffie-Hellman key exchange.

Product(s) Impacted

Vendor Product Versions
Circl
  • Fourq
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-347
Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a circl fourq / / / / / / / /

References

https://access.redhat.com/security/cve/CVE-2025-8556
https://bugzilla.redhat.com/show_bug.cgi?id=2371624
https://github.com/cloudflare/circl
https://github.com/cloudflare/circl/security/advisories/GHSA-2x5j-vhc8-9cwm
https://github.com/cloudflare/circl/tree/v1.6.1

Tags

secalert@redhat.com
CWE-347
2025-08-06
CVE-2025-8556

CVSS Score

3.7 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: HIGH
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: NONE
  • Availability Impact: NONE

    • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

    View Vector String

Timeline

Published: Aug. 6, 2025, 9:15 a.m.
Last Modified: Aug. 6, 2025, 8:23 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

secalert@redhat.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.