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CVE-2016-5418

27
FAUCET Score

CVE-2016-5418 describes a vulnerability in libarchive versions 3.2.0 and earlier, where improper handling of hardlink archive entries with non-zero data size within its sandboxing code could allow remote attackers to write to arbitrary files. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity that can lead to high integrity impact without user interaction. Despite its severity, there is no known active exploitation, publicly available exploit code in Metasploit or ExploitDB, nor significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
6CPE matchmatch criteria
cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.71%
Probability of exploitation in next 30 days
EPSS Percentile
90.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0471 is in the 84th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libarchive-0:2.8.3-7.el6_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libarchive-0:3.1.2-10.el7_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.2Fixed in: atomic-openshift-0:3.2.1.15-1.git.0.d84be7f.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.2Fixed in: heapster-0:1.1.0-1.beta2.el7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.2Fixed in: openshift-ansible-0:3.2.28-1.git.0.5a85fc5.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Enterprise 3.1Fixed in: atomic-openshift-0:3.1.1.7-1.git.0.65f396b.el7aos
View patch

Vendor Advisories (1)

redhatCVE-2016-5418Important

libarchive: Archive Entry with type 1 (hardlink), but has a non-zero data size file overwrite

Sep 12, 2016

References

rhn.redhat.com / errata/RHSA-2016-1844.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2016-1850.html
Third Party Advisory
access.redhat.com / errata/RHSA-2016:1852
Third Party Advisory
access.redhat.com / errata/RHSA-2016:1853
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party AdvisoryVDB Entry
gist.github.com / anonymous/e48209b03f1dd9625a992717e7b89c4f
ExploitTechnical Description
github.com / libarchive/libarchive/commit/dfd6b54ce33960e420fb206d8872fb759b577ad9
Patch
github.com / libarchive/libarchive/issues/746
ExploitPatch
security.gentoo.org / glsa/201701-03
openwall.com / lists/oss-security/2016/08/09/2
ExploitTechnical Description
oracle.com / technetwork/topics/security/linuxbulletinjul2016-3090544.html
Third Party Advisory
securityfocus.com / bid/93165