CVE-2016-4302

Name: CVE-2016-4302
Creator: NVD / NIST
Published: 2016-09-21T14:25:04.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.78%

Last modified Jun 17, 2026

CVE-2016-4302 is a vulnerability of currently unknown severity. Heap-based buffer overflow in the parse_codes function in archive_read_support_format_rar.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a RAR file with a zero-sized dictionary.. EPSS estimates a 4.78% chance of exploitation in the next 30 days.

Description

Heap-based buffer overflow in the parse_codes function in archive_read_support_format_rar.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a RAR file with a zero-sized dictionary.

Metrics

EPSS Probability

4.78%

90.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Hpc Node	7.0
Redhat	Enterprise Linux Hpc Node Eus	7.2
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.2
Redhat	Enterprise Linux Server Eus	7.2
Redhat	Enterprise Linux Workstation	7.0
Libarchive	Libarchive	<= 3.2.0

References

http://blog.talosintel.com/2016/06/the-poisoned-archives.htmlExploit, Third Party Advisory
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=1348444Issue Tracking
http://rhn.redhat.com/errata/RHSA-2016-1844.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3657
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://www.securityfocus.com/bid/91331Third Party Advisory, VDB Entry
http://www.talosintel.com/reports/TALOS-2016-0154/Exploit, Third Party Advisory
https://github.com/libarchive/libarchive/commit/05caadc7eedbef471ac9610809ba683f0c698700Issue Tracking, Patch
https://github.com/libarchive/libarchive/issues/719Issue Tracking, Patch
https://security.gentoo.org/glsa/201701-03
http://blog.talosintel.com/2016/06/the-poisoned-archives.htmlExploit, Third Party Advisory
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=1348444Issue Tracking
http://rhn.redhat.com/errata/RHSA-2016-1844.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3657
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://www.securityfocus.com/bid/91331Third Party Advisory, VDB Entry
http://www.talosintel.com/reports/TALOS-2016-0154/Exploit, Third Party Advisory
https://github.com/libarchive/libarchive/commit/05caadc7eedbef471ac9610809ba683f0c698700Issue Tracking, Patch
https://github.com/libarchive/libarchive/issues/719Issue Tracking, Patch
https://security.gentoo.org/glsa/201701-03

Timeline

Published: Sep 21, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-4302?

How severe is CVE-2016-4302?

Severity scoring for CVE-2016-4302 is pending analysis. The EPSS model estimates a 4.78% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4302?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-4302?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST