Vulnerabilities
Misconfiguration
Compliance
Cryptography
CVE Vulnerabilities

CVE-2016-5384

Double Free

Published: Aug 13, 2016 | Modified: Jun 17, 2026
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
4.6 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
3.7 MODERATE
AV:L/AC:H/Au:N/C:P/I:P/A:P
RedHat/V3
4.5 MODERATE
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Ubuntu
MEDIUM
Vulnerability-free packages from our partners
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2016-5384
CWEhttps://cwe.mitre.org/data/definitions/415.html

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.

Weakness

The product calls free() twice on the same memory address.

Affected Software

NameVendorStart VersionEnd Version
FedoraFedoraproject23 (including)23 (including)
FedoraFedoraproject24 (including)24 (including)
Red Hat Enterprise Linux 7RedHatfontconfig-0:2.10.95-10.el7*
FontconfigUbuntudevel*
FontconfigUbuntuesm-infra-legacy/trusty*
FontconfigUbuntuesm-infra-legacy/xenial*
FontconfigUbuntuesm-infra/xenial*
FontconfigUbuntuprecise*
FontconfigUbuntutrusty*
FontconfigUbuntutrusty/esm*
FontconfigUbuntuupstream*
FontconfigUbuntuvivid/stable-phone-overlay*
FontconfigUbuntuxenial*
FontconfigUbuntuyakkety*
FontconfigUbuntuzesty*

Potential Mitigations

References

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