CVE-2019-1000019: Canonical Ubuntu Linux

Medium severity, CVSS 6.5. EPSS: 3.4% chance of exploitation in the next 30 days.

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.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only
• Debian Debian Linux: version 8.0 only
• Fedoraproject Fedora: version 28 only; version 29 only
• Libarchive Libarchive: from 3.0.2, before 3.4.0 (fixed in 3.4.0)
• Opensuse Leap: version 15.0 only
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Workstation: version 7.0 only

Published 2019-02-04. Last modified 2026-06-17.