The package tar before version 1.34-1 is vulnerable to denial of service.
Arch Linux Security Advisory ASA-202102-41
=========================================
Severity: Low
Date : 2021-02-27
CVE-ID : CVE-2021-20193
Package : tar
Type : denial of service
Remote : No
Link : https://security.archlinux.org/AVG-1462
Summary
======
The package tar before version 1.34-1 is vulnerable to denial of
service.
Resolution
=========
Upgrade to 1.34-1.
# pacman -Syu "tar>=1.34-1"
The problem has been fixed upstream in version 1.34.
Workaround
=========
None.
Description
==========
An issue was discovered in GNU Tar before version 1.34. There is a
memory leak in read_header() in list.c in the tar application.
Impact
=====
A crafted tar archive can crash the application.
References
=========
https://bugzilla.redhat.com/show_bug.cgi?id=1917565
https://security.archlinux.org/CVE-2021-20193