CVE-2019-19221 describes an out-of-bounds read vulnerability in Libarchive 3.4.0, specifically within the archive_wstring_append_from_mbs function, due to incorrect character conversion calls. This flaw can lead to application crashes, such as with bsdtar when processing a specially crafted archive, and affects products like Canonical, Debian, Fedora, and Libarchive itself. Rated Medium severity (CVSS 5.5), it requires user interaction (UI:R) and local access (AV:L) to trigger, with the primary impact being denial of service (A:H). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.4.0CPE matchmatch criteria | cpe:2.3:a:libarchive:libarchive:3.4.0:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
32CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.