CVE-2019-19221

Publication date 21 November 2019

Last updated 18 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libarchive	25.10 questing	Fixed 3.4.0-1ubuntu2
	25.04 plucky	Fixed 3.4.0-1ubuntu2
	24.10 oracular	Fixed 3.4.0-1ubuntu2
	24.04 LTS noble	Fixed 3.4.0-1ubuntu2
	23.10 mantic	Fixed 3.4.0-1ubuntu2
	23.04 lunar	Fixed 3.4.0-1ubuntu2
	22.10 kinetic	Fixed 3.4.0-1ubuntu2
	22.04 LTS jammy	Fixed 3.4.0-1ubuntu2
	21.10 impish	Fixed 3.4.0-1ubuntu2
	21.04 hirsute	Fixed 3.4.0-1ubuntu2
	20.10 groovy	Fixed 3.4.0-1ubuntu2
	20.04 LTS focal	Fixed 3.4.0-1ubuntu2
	19.10 eoan	Fixed 3.4.0-1ubuntu0.1
	19.04 disco	Ignored end of life
	18.04 LTS bionic	Fixed 3.2.2-3.1ubuntu0.6
	16.04 LTS xenial	Fixed 3.1.2-11ubuntu0.16.04.8
	14.04 LTS trusty	Vulnerable

Patch details

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

Package	Patch details
libarchive	Upstream: 22b1db9

Severity score breakdown

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

CVE-2019-19221

Cvss 3 Severity Score

Description

Status

Patch details

Severity score breakdown

References

Related Ubuntu Security Notices (USN)

Other references