CVE-2026-86849

Medium

Description

A flaw was found in DPDK lib/vhost vhost-crypto. Integer overflow in chain length checks, and missing length checks on the RSA path, can overflow a host buffer in the vhost-crypto backend.

SeverityMedium
CVSS6.5
Exploit probability—
ProductRed Hat Enterprise Linux 10
PublishedOct 14, 2026
First seenOct 14, 2026

How to fix

Affected products

ProductAffected versionsFixed in
Red Hat Red Hat Enterprise Linux 10No range specified—
enterprise_linux 9No range specified—
enterprise_linux 10No range specified—
enterprise_linux 8No range specified—
Red Hat Red Hat Enterprise Linux 8No range specified—
Red Hat Red Hat OpenShift Container Platform 4No range specified—
Red Hat Red Hat OpenStack Platform 13 (Queens)No range specified—

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