CVE-2019-17571

Publication date 20 December 2019

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Included in Log4j 1.2 is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited to remotely execute arbitrary code when combined with a deserialization gadget when listening to untrusted network traffic for log data. This affects Log4j versions up to 1.2 up to 1.2.17.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
apache-log4j1.2	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Ignored end of life
	19.04 disco	Ignored end of life
	18.04 LTS bionic	Fixed 1.2.17-8+deb10u1build0.18.04.1
	16.04 LTS xenial	Fixed 1.2.17-7ubuntu1+esm1
	14.04 LTS trusty	Vulnerable

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Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2019-17571

Cvss 3 Severity Score

Description

Status

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Severity score breakdown

References

Related Ubuntu Security Notices (USN)

Other references