CVE-2025-8556

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Source
https://cve.org/CVERecord?id=CVE-2025-8556
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-8556.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-8556
Aliases
Downstream
Related
Published
2025-08-06T08:48:17.946Z
Modified
2026-05-18T05:58:23.571101326Z
Severity
  • 3.7 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
Github.com/cloudflare/circl: circl-fourq: missing and wrong validation can lead to incorrect results
Details

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.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/8xxx/CVE-2025-8556.json",
    "cwe_ids": [
        "CWE-1287"
    ],
    "cna_assigner": "redhat"
}
References

Affected packages

Git / github.com/cloudflare/circl

Affected ranges

Type
GIT
Repo
https://github.com/cloudflare/circl
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
c6d33e35234ebf5c4319d12ae7d77d7d17053e56
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.6.1"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

v1.*
v1.0.0
v1.1.0
v1.2.0
v1.3.0
v1.3.1
v1.3.2
v1.3.3
v1.3.6
v1.3.7
v1.3.8
v1.3.9
v1.4.0
v1.5.0
v1.6.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-8556.json"