CVE-2025-8556
LOWCIRCL < 1.6.1 - Session Security Compromise via FourQ Elliptic Curve Point Injection
Title source: llmDescription
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.
References (7)
Core 7
Core References
Vendor Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2025-8556
Issue Tracking issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2371624
Various Sources
https://github.com/cloudflare/circl
Various Sources
https://github.com/cloudflare/circl/tree/v1.6.1
Various Sources
https://news.ycombinator.com/item?id=45669593
Scores
CVSS v3
3.7
EPSS
0.0045
EPSS Percentile
35.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1287
Status
published
Products (28)
cloudflare/circl
0 - 1.6.1Go
Red Hat/Builds for Red Hat OpenShift
Red Hat/Custom Metric Autoscaler operator for Red Hat Openshift
Red Hat/Multicluster Global Hub
Red Hat/OpenShift Pipelines
Red Hat/OpenShift Serverless
Red Hat/OpenShift Service Mesh 3
Red Hat/Red Hat Advanced Cluster Management for Kubernetes 2
Red Hat/Red Hat Advanced Cluster Security 4
Red Hat/Red Hat Ceph Storage 5
... and 18 more
Published
Aug 06, 2025
Tracked Since
Feb 18, 2026