CVE-2025-14876

Publication date 22 December 2025

Last updated 19 February 2026


Ubuntu priority

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

Description

QEMU OOM on huge request from guest

Read the notes from the security team

Status

Package Ubuntu Release Status
qemu 25.10 questing
Vulnerable
25.04 plucky Ignored end of life, was deferred [2026-01-15]
24.04 LTS noble
Vulnerable
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes


mdeslaur

Issue introduced in 7.1.0 via: https://gitlab.com/qemu-project/qemu/-/commit/0e660a6f90abf8b517d7317595bcc8e8da31f2a1

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
qemu

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H