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Vulnerability record · CVE-2016-4302 · published 21 September 2016

CVE-2016-4302: Redhat enterprise linux desktop memory buffer overflow vulnerability

Redhat · Enterprise Linux Desktop

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.

7.8 CVSS 3.0 High EPSS 4.8% · top 8.4% CWE-119 · Memory buffer overflow
7.8CVSS 3.0 base score, v2 6.8
4.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
22References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://blog.talosintel.com/2016/06/the-poisoned-archives.html ExploitThird Party Advisory
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=1348444 Issue Tracking
http://rhn.redhat.com/errata/RHSA-2016-1844.html Third 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/91331 Third Party AdvisoryVDB Entry
http://www.talosintel.com/reports/TALOS-2016-0154/ ExploitThird Party Advisory
https://github.com/libarchive/libarchive/commit/05caadc7eedbef471ac9610809ba683f0c698700 Issue TrackingPatch
https://github.com/libarchive/libarchive/issues/719 Issue TrackingPatch
https://security.gentoo.org/glsa/201701-03
http://blog.talosintel.com/2016/06/the-poisoned-archives.html ExploitThird Party Advisory
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=1348444 Issue Tracking
http://rhn.redhat.com/errata/RHSA-2016-1844.html Third 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/91331 Third Party AdvisoryVDB Entry
http://www.talosintel.com/reports/TALOS-2016-0154/ ExploitThird Party Advisory
https://github.com/libarchive/libarchive/commit/05caadc7eedbef471ac9610809ba683f0c698700 Issue TrackingPatch
https://github.com/libarchive/libarchive/issues/719 Issue TrackingPatch
https://security.gentoo.org/glsa/201701-03

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Source: NIST National Vulnerability Database (record CVE-2016-4302), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.