libarchive version commit bf9aec176c6748f0ee7a678c5f9f9555b9a757c1 onwards (release v3.0.2 onwards) contains a CWE-125: Out-of-bounds Read vulnerability in 7zip decompression, archive_read_support_format_7zip.c, header_bytes() that can result in a crash (denial of service). This attack appears to be exploitable via the victim opening a specially crafted 7zip file.
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html
https://access.redhat.com/errata/RHSA-2019:2298
https://access.redhat.com/errata/RHSA-2019:3698
https://github.com/libarchive/libarchive/pull/1120
https://github.com/libarchive/libarchive/pull/1120/commits/65a23f5dbee4497064e9bb467f81138a62b0dae1
https://lists.debian.org/debian-lts-announce/2019/02/msg00013.html
Source: MITRE
Published: 2019-02-04
Updated: 2019-11-06
Type: CWE-125
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 6.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 2.8
Severity: MEDIUM