CVE-2026-86846CWE-787

CVE-2026-86846

Medium · published October 14, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
4.6
In the wild
Unconfirmed
What it is

A flaw was found in DPDK lib/vhost vhost-crypto. A guest can supply an avail-ring descriptor index that is used without bounds checking, causing an out-of-bounds write in the host vhost-crypto backend.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00158 · 4.6th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-10-14T22:19Z
References (2)
https://access.redhat.com/security/cve/CVE-2026-86846 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2529846 · [email protected]
EPSS history
Timeline
  • 16 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 14 OCT 17:52Z
    Dpdk: dpdk: guest can trigger out-of-bounds write by controlling avail ring index in vhost-crypto
    cvelistv5
  • 14 OCT 17:52Z
    Dpdk: dpdk: guest can trigger out-of-bounds write by controlling avail ring index in vhost-crypto
    cvelistv5