CVE-2016-5384

Name: CVE-2016-5384
Creator: NVD / NIST
Published: 2016-08-13T01:59:05.273+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2016-5384 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. fontconfig before 2.12.1 does not validate offsets, which allows local users to trigger arbitrary free calls and consequently conduct double free attacks and execute arbitrary code via a crafted cache file.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

fontconfig before 2.12.1 does not validate offsets, which allows local users to trigger arbitrary free calls and consequently conduct double free attacks and execute arbitrary code via a crafted cache file.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.41%

32.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-415

Affected Software

Vendor	Product	Versions
Fedoraproject	Fedora	23
Fedoraproject	Fedora	24
Fontconfig Project	Fontconfig	< 2.12.1
Debian	Debian Linux	8.0
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04

References

http://rhn.redhat.com/errata/RHSA-2016-2601.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3644Third Party Advisory
http://www.securityfocus.com/bid/92339Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-3063-1Third Party Advisory
https://cgit.freedesktop.org/fontconfig/commit/?id=7a4a5bd7897d216f0794ca9dbce0a4a5c9d14940Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6CJ45VRAMCIISHOVKFVOQYQUSTUJP7FC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGOS4YYB7UYAWX5AEXJZHDIX4ZMSXSW5/
https://lists.freedesktop.org/archives/fontconfig/2016-August/005792.htmlMailing List, Patch, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2601.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3644Third Party Advisory
http://www.securityfocus.com/bid/92339Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-3063-1Third Party Advisory
https://cgit.freedesktop.org/fontconfig/commit/?id=7a4a5bd7897d216f0794ca9dbce0a4a5c9d14940Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6CJ45VRAMCIISHOVKFVOQYQUSTUJP7FC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGOS4YYB7UYAWX5AEXJZHDIX4ZMSXSW5/
https://lists.freedesktop.org/archives/fontconfig/2016-August/005792.htmlMailing List, Patch, Third Party Advisory

Timeline

Published: Aug 13, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-5384?

How severe is CVE-2016-5384?

CVE-2016-5384 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2016-5384?

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-2016-5384?

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

Scan your code now

Source: NVD / NIST