CVE-2019-14562

Publication date 23 November 2020

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

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

Status

Show unmaintained releases

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	Upstream: 503248c Upstream: a7632e9 Upstream: 0b143fa

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.5 · Medium

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	5.5 · Medium
Exploitability score	-
Impact score	-

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

https://www.cve.org/CVERecord?id=CVE-2019-14562

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