CVE-2025-85563.7LowCWE-1287

CVE-2025-8556: Github.com/cloudflare/circl: circl-fourq: missing and wrong validation can lead to incorrect results

Redhat · circl

Vendor fix available · Affected: Redhat circl · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.6%probability of exploitation in the next 30 days

47th percentile

050100

Higher than 47% of scored CVEs

3.7LowCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products20

From the CVE record. A product or version that is not listed is unknown, not unaffected.

circlbefore 1.6.1
Red Hat · Builds for Red Hat OpenShiftVersions not stated
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On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Improper Validation of Specified Type of Input · Input Validation and Logic
Vendor: Redhat
Published: August 2025
Band: Unlikely (under 1%), August 2025

CoverageNo articles yet

No CyberSIXT article names CVE-2025-8556 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.