What’s Vulnerable › Vulnerabilities

CVE-2016-5418

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-09-21 · updated 2026-06-17
• Weakness: CWE-19

Description

The sandboxing code in libarchive 3.2.0 and earlier mishandles hardlink archive entries of non-zero data size, which might allow remote attackers to write to arbitrary files via a crafted archive file.

Affected products

• libarchive: through 3.2.0
• Oracle Corporation Oracle Linux: 6, 7
• RedHat Enterprise Linux Desktop: 6.0, 7.0
• RedHat Enterprise Linux Hpc Node: 6.0, 7.0
• RedHat Enterprise Linux Hpc Node Eus: 7.2
• RedHat Enterprise Linux Server: 6.0, 7.0
• RedHat Enterprise Linux Server Aus: 7.2
• RedHat Enterprise Linux Server Eus: 7.2
• RedHat Enterprise Linux Workstation: 6.0, 7.0
• Openshift: 3.1, 3.2

References

• http://rhn.redhat.com/errata/RHSA-2016-1844.html
• http://rhn.redhat.com/errata/RHSA-2016-1850.html
• http://www.openwall.com/lists/oss-security/2016/08/09/2
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
• http://www.securityfocus.com/bid/93165
• https://access.redhat.com/errata/RHSA-2016:1852
• https://access.redhat.com/errata/RHSA-2016:1853
• https://bugzilla.redhat.com/show_bug.cgi?id=1362601
• https://gist.github.com/anonymous/e48209b03f1dd9625a992717e7b89c4f
• https://github.com/libarchive/libarchive/commit/dfd6b54ce33960e420fb206d8872fb759b577ad9
• https://github.com/libarchive/libarchive/issues/746
• https://security.gentoo.org/glsa/201701-03

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