7.5
CWE
416
Advisory Published
CVE Published
Updated

CVE-2019-18408: Use After Free

First published: Thu Oct 24 2019(Updated: )

archive_read_format_rar_read_data in archive_read_support_format_rar.c in libarchive before 3.4.0 has a use-after-free in a certain ARCHIVE_FAILED situation, related to Ppmd7_DecodeSymbol.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/libarchive<3.4.0
3.4.0
Libarchive Libarchive<3.4.0
Linux Linux kernel
Debian Debian Linux=8.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.04
All of
Libarchive Libarchive<3.4.0
Linux Linux kernel
ubuntu/libarchive<3.2.2-3.1ubuntu0.5
3.2.2-3.1ubuntu0.5
ubuntu/libarchive<3.3.3-4ubuntu0.1
3.3.3-4ubuntu0.1
ubuntu/libarchive<3.1.2-7ubuntu2.8+
3.1.2-7ubuntu2.8+
ubuntu/libarchive<3.1.2-11ubuntu0.16.04.7
3.1.2-11ubuntu0.16.04.7
debian/libarchive
3.4.3-2+deb11u1
3.6.2-1+deb12u1
3.7.4-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2019-18408?

    CVE-2019-18408 is a vulnerability in libarchive before version 3.4.0 that allows for a use-after-free in a certain ARCHIVE_FAILED situation.

  • How severe is CVE-2019-18408?

    CVE-2019-18408 has a severity rating of 7.5 (High).

  • What is the affected software for CVE-2019-18408?

    The affected software for CVE-2019-18408 includes libarchive versions before 3.4.0 on Red Hat, Ubuntu, Debian, Canonical Ubuntu Linux, and Linux kernel.

  • How can I fix CVE-2019-18408?

    To fix CVE-2019-18408, update to libarchive version 3.4.0 or later.

  • Where can I find more information about CVE-2019-18408?

    You can find more information about CVE-2019-18408 in the references provided: 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-2020:0203.

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