High 7.8Published Aug 12, 2016

CVE-2016-5384fontconfig 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 cach…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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It affects fedoraproject fedora and 3 other products. Add what you run to find out whether that includes you.

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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.

CVSS: 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-415
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

fedoraproject fedora fedoraproject:fedora	23; 24	NVD
fontconfig_project fontconfig fontconfig_project:fontconfig	before 2.12.1	NVD
debian debian_linux debian:debian_linux	8.0	NVD
canonical ubuntu_linux canonical:ubuntu_linux	12.04; 14.04; 16.04	NVD

References

References

http://rhn.redhat.com/errata/RHSA-2016-2601.html	third-party-advisory
http://www.debian.org/security/2016/dsa-3644	third-party-advisory
http://www.securityfocus.com/bid/92339	third-party-advisory, vdb-entry
http://www.ubuntu.com/usn/USN-3063-1	third-party-advisory
https://cgit.freedesktop.org/fontconfig/commit/?id=7a4a5bd7897d216f0794ca9dbce0a4a5c9d14940	patch, 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.html	mailing-list, patch, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.