CVE-2016-5384

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Summary

CVECVE-2016-5384
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-08-13 01:59:05 UTC
Updated2026-05-06 22:30:45 UTC
Descriptionfontconfig 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

EPSS: 0.002640000 probability, percentile 0.499220000 (date 2026-05-30)

Problem Types: CWE-415 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:L/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Fedoraproject Fedora 23 All All All
Operating System Fedoraproject Fedora 24 All All All
Application Fontconfig Project Fontconfig All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
Fontconfig CVE-2016-5384 Local Privilege Escalation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
fontconfig - Font customization and configuration library (mirrored from https://gitlab.freedesktop.org/fontconfig/fontconfig) af854a3a-2127-422b-91ae-364da2661108 cgit.freedesktop.org Patch, Third Party Advisory
[SECURITY] Fedora 24 Update: fontconfig-2.11.94-7.fc24 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 23 Update: fontconfig-2.11.94-5.fc23 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Debian -- Security Information -- DSA-3644-1 fontconfig af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
[Fontconfig] fontconfig: Branch 'master' - 3 commits af854a3a-2127-422b-91ae-364da2661108 lists.freedesktop.org Mailing List, Patch, Third Party Advisory
USN-3063-1: Fontconfig vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
[SECURITY] Fedora 23 Update: fontconfig-2.11.94-5.fc23 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 24 Update: fontconfig-2.11.94-7.fc24 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
Red Hat Customer Portal MITRE access.redhat.com
CVE-2016-5384 - Red Hat Customer Portal MITRE access.redhat.com
1350891 – (CVE-2016-5384) CVE-2016-5384 fontconfig: Possible double free due to insufficiently validated cache files MITRE bugzilla.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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