What’s Vulnerable › Vulnerabilities

CVE-2019-1000019

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-02-04 · updated 2026-06-17
• Weakness: CWE-125

Description

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: 14.04, 16.04, 18.04, 18.10
• Debian Linux: 8.0
• Fedoraproject Fedora: 28, 29
• libarchive: from 3.0.2 before 3.4.0 — fixed in 3.4.0
• openSUSE Leap: 15.0
• RedHat Enterprise Linux Desktop: 7.0
• RedHat Enterprise Linux Server: 7.0
• RedHat Enterprise Linux Workstation: 7.0

How to fix

Upgrade to a fixed version: libarchive 3.4.0. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.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
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/
• https://usn.ubuntu.com/3884-1/
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html

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