Use After Free Affecting virt:rhel/perl-hivex package, versions <0:1.3.18-23.module_el8.6.0+3161+a07c0ea5


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.78% (52nd percentile)

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  • Snyk IDSNYK-ALMALINUX8-VIRT-15850899
  • published31 Mar 2026
  • disclosed24 Mar 2026

Introduced: 24 Mar 2026

CVE-2025-11234  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 virt:rhel/perl-hivex to version 0:1.3.18-23.module_el8.6.0+3161+a07c0ea5 or higher.
This issue was patched in ALSA-2026:5578.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/perl-hivex package and not the virt:rhel/perl-hivex package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

A flaw was found in QEMU. If the QIOChannelWebsock object is freed while it is waiting to complete a handshake, a GSource is leaked. This can lead to the callback firing later on and triggering a use-after-free in the use of the channel. This can be abused by a malicious client with network access to the VNC WebSocket port to cause a denial of service during the WebSocket handshake prior to the VNC client authentication.

CVSS Base Scores

version 3.1