The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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.
    (CVE-2016-5384)

Note that Nessus relies on the presence of the package as reported by the vendor.

This update for fontconfig fixes the following issues :

  - security update :

  - CVE-2016-5384: Possible double free due to     insufficiently validated cache files [bsc#992534]

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the version of the fontconfig packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - It was found that cache files were insufficiently     validated in fontconfig. A local attacker could create     a specially crafted cache file to trigger arbitrary     free() calls, which in turn could lead to arbitrary     code execution. (CVE-2016-5384)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2016-1121:01 advisory.

    Fontconfig is designed to locate fonts within the     system and select them according to requirements specified by     applications.
    Security issues fixed with this release:
    CVE-2016-5384     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.
    Additional Changes:

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Security fix for CVE-2016-5384

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Debian security team reports :

Tobias Stoeckmann discovered that cache files are insufficiently validated in fontconfig, a generic font configuration library. An attacker can trigger arbitrary free() calls, which in turn allows double free attacks and therefore arbitrary code execution. In combination with setuid binaries using crafted cache files, this could allow privilege escalation.

Security Fix(es) :

  - It was found that cache files were insufficiently     validated in fontconfig. A local attacker could create a     specially crafted cache file to trigger arbitrary free()     calls, which in turn could lead to arbitrary code     execution. (CVE-2016-5384)

Additional Changes :

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3063-1 advisory.

    Tobias Stoeckmann discovered that Fontconfig incorrectly handled cache files. A local attacker could     possibly use this issue with a specially crafted cache file to elevate privileges.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

This update for fontconfig fixes the following issues :

  - security update :

  - CVE-2016-5384: Possible double free due to     insufficiently validated cache files [bsc#992534]

This update was imported from the SUSE:SLE-12:Update update project.

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2016-2601 advisory.

    - CVE-2016-5384: Validate offsets in cache files properly. (#1355930)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

An update for fontconfig is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Fontconfig is designed to locate fonts within the system and select them according to requirements specified by applications.

Security Fix(es) :

* It was found that cache files were insufficiently validated in fontconfig. A local attacker could create a specially crafted cache file to trigger arbitrary free() calls, which in turn could lead to arbitrary code execution. (CVE-2016-5384)

Red Hat would like to thank Tobias Stoeckmann for reporting this issue.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.3 Release Notes linked from the References section.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
219590	Linux Distros Unpatched Vulnerability : CVE-2016-5384	Nessus	Misc.	2025/3/4	2025/9/3	high
93312	SUSE SLED12 / SLES12 Security Update : fontconfig (SUSE-SU-2016:2190-1)	Nessus	SuSE Local Security Checks	2016/9/2	2026/1/27	high
99837	EulerOS 2.0 SP1 : fontconfig (EulerOS-SA-2016-1077)	Nessus	Huawei Local Security Checks	2017/5/1	2025/12/22	high
289812	MiracleLinux 7 : fontconfig-2.10.95-10.el7 (AXSA:2016-1121:01)	Nessus	Miracle Linux Local Security Checks	2026/1/16	2026/1/16	high
92811	Fedora 24 : fontconfig (2016-e23ab56ce3)	Nessus	Fedora Local Security Checks	2016/8/9	2026/1/29	high
93061	FreeBSD : fontconfig -- insufficiently cache file validation (44989c29-67d1-11e6-8b1d-c86000169601)	Nessus	FreeBSD Local Security Checks	2016/8/22	2026/1/28	high
95838	Scientific Linux Security Update : fontconfig on SL7.x x86_64 (20161103)	Nessus	Scientific Linux Local Security Checks	2016/12/15	2026/1/14	high
93025	Ubuntu 14.04 LTS / 16.04 LTS : Fontconfig vulnerability (USN-3063-1)	Nessus	Ubuntu Local Security Checks	2016/8/18	2024/8/27	high
93433	openSUSE Security Update : fontconfig (openSUSE-2016-1070)	Nessus	SuSE Local Security Checks	2016/9/12	2026/1/26	high
94720	Oracle Linux 7 : fontconfig (ELSA-2016-2601)	Nessus	Oracle Linux Local Security Checks	2016/11/11	2024/11/1	high
95347	CentOS 7 : fontconfig (CESA-2016:2601)	Nessus	CentOS Local Security Checks	2016/11/28	2021/1/4	high

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