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—
Product
Red Hat Enterprise Linux 10
PublishedOct 14, 2026
First seenOct 14, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Red Hat Enterprise Linux 10 | No range specified | — |
| enterprise_linux 9 | No range specified | — |
| enterprise_linux 10 | No range specified | — |
| enterprise_linux 8 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 8 | No range specified | — |
| Red Hat Red Hat OpenShift Container Platform 4 | No range specified | — |
| Red Hat Red Hat OpenStack Platform 13 (Queens) | No range specified | — |
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