CVE-2019-19221

PoC —

CVSS 3.1

5.5 medium

EPSS

<1%p49

Published

Nov 21, 2019 (Nov 21, 2019)

Modified

Jun 17, 2026

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.

Vendors: libarchive debian fedoraproject canonical
Products: libarchive, debian linux, fedora, ubuntu linux
Weakness: CWE-125
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.7%)

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