CVE-2019-19221
libarchive - security update
5.5
MEDIUM
CVSS 3.1
EPSS 0.09%
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.
How to fix CVE-2019-19221
To remediate CVE-2019-19221, upgrade the affected package to a fixed version below.
- Alpine/libarchive—upgrade to 3.4.2-r0 or later
- —upgrade to 3.4.2-1 or later
- —upgrade to 3.2.2-2+deb9u3 or later
- —upgrade to 3.3.3-4+deb10u2 or later
Is CVE-2019-19221 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 3.4.2-r0
- from 0, < 3.4.2-1
- from 0, < 3.2.2-2+deb9u3
- from 0, < 3.3.3-4+deb10u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |