CVE-2019-14559

Publication date 31 December 2019

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

Uncontrolled resource consumption in EDK II may allow an unauthenticated user to potentially enable denial of service via network access.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
edk2	20.04 LTS focal	Not affected
	19.10 eoan	Fixed 0~20190606.20d2e5a1-2ubuntu1.1
	18.04 LTS bionic	Fixed 0~20180205.c0d9813c-2ubuntu0.2
	16.04 LTS xenial	Fixed 0~20160408.ffea0a2c-2ubuntu0.1
	14.04 LTS trusty	Not in release

Notes

mdeslaur

as of 2020-03-05, two of the upstream bugs still aren't resolved

Patch details

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

Package	Patch details
edk2	Upstream: 578bcdc Upstream: 1d3215f Upstream: 65c73df Upstream: 9c20342 Upstream: 4deef2d

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

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

Scores

Parameter	Value
Base score	7.5 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-4349-1
EDK II vulnerabilities
30 April 2020

Other references

https://www.cve.org/CVERecord?id=CVE-2019-14559

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