CVE-2019-14562

Publication date 23 November 2020

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

Description

Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access.

Status

Package Ubuntu Release Status
edk2 20.10 groovy
Not affected
20.04 LTS focal
Fixed 0~20191122.bd85bf54-2ubuntu3.1
18.04 LTS bionic
Fixed 0~20180205.c0d9813c-2ubuntu0.3
16.04 LTS xenial
Fixed 0~20160408.ffea0a2c-2ubuntu0.2
14.04 LTS trusty Not in release

Patch details

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

Package Patch details
edk2

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

References

Related Ubuntu Security Notices (USN)

    • USN-4684-1
    • EDK II vulnerabilities
    • 7 January 2021

Other references