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Red Hat Security Advisory

Synopsis: Moderate: fontconfig security and bug fix update
Advisory ID: RHSA-2016:2601-02
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-2601.html
Issue date: 2016-11-03
CVE Names: CVE-2016-5384
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1. Summary:

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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) – x86_64
Red Hat Enterprise Linux Client Optional (v. 7) – noarch, x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) – x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) – noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) – aarch64, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) – noarch
Red Hat Enterprise Linux Workstation (v. 7) – x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) – noarch

3. Description:

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.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1073460 – Make alias Consolas displaying DejaVu Sans Mono
1350891 – CVE-2016-5384 fontconfig: Possible double free due to insufficiently validated cache files

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
fontconfig-2.10.95-10.el7.src.rpm

x86_64:
fontconfig-2.10.95-10.el7.i686.rpm
fontconfig-2.10.95-10.el7.x86_64.rpm
fontconfig-debuginfo-2.10.95-10.el7.i686.rpm
fontconfig-debuginfo-2.10.95-10.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

noarch:
fontconfig-devel-doc-2.10.95-10.el7.noarch.rpm

x86_64:
fontconfig-debuginfo-2.10.95-10.el7.i686.rpm
fontconfig-debuginfo-2.10.95-10.el7.x86_64.rpm
fontconfig-devel-2.10.95-10.el7.i686.rpm
fontconfig-devel-2.10.95-10.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
fontconfig-2.10.95-10.el7.src.rpm

x86_64:
fontconfig-2.10.95-10.el7.i686.rpm
fontconfig-2.10.95-10.el7.x86_64.rpm
fontconfig-debuginfo-2.10.95-10.el7.i686.rpm
fontconfig-debuginfo-2.10.95-10.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

noarch:
fontconfig-devel-doc-2.10.95-10.el7.noarch.rpm

x86_64:
fontconfig-debuginfo-2.10.95-10.el7.i686.rpm
fontconfig-debuginfo-2.10.95-10.el7.x86_64.rpm
fontconfig-devel-2.10.95-10.el7.i686.rpm
fontconfig-devel-2.10.95-10.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
fontconfig-2.10.95-10.el7.src.rpm

aarch64:
fontconfig-2.10.95-10.el7.aarch64.rpm
fontconfig-debuginfo-2.10.95-10.el7.aarch64.rpm
fontconfig-devel-2.10.95-10.el7.aarch64.rpm

ppc64:
fontconfig-2.10.95-10.el7.ppc.rpm
fontconfig-2.10.95-10.el7.ppc64.rpm
fontconfig-debuginfo-2.10.95-10.el7.ppc.rpm
fontconfig-debuginfo-2.10.95-10.el7.ppc64.rpm
fontconfig-devel-2.10.95-10.el7.ppc.rpm
fontconfig-devel-2.10.95-10.el7.ppc64.rpm

ppc64le:
fontconfig-2.10.95-10.el7.ppc64le.rpm
fontconfig-debuginfo-2.10.95-10.el7.ppc64le.rpm
fontconfig-devel-2.10.95-10.el7.ppc64le.rpm

s390x:
fontconfig-2.10.95-10.el7.s390.rpm
fontconfig-2.10.95-10.el7.s390x.rpm
fontconfig-debuginfo-2.10.95-10.el7.s390.rpm
fontconfig-debuginfo-2.10.95-10.el7.s390x.rpm
fontconfig-devel-2.10.95-10.el7.s390.rpm
fontconfig-devel-2.10.95-10.el7.s390x.rpm

x86_64:
fontconfig-2.10.95-10.el7.i686.rpm
fontconfig-2.10.95-10.el7.x86_64.rpm
fontconfig-debuginfo-2.10.95-10.el7.i686.rpm
fontconfig-debuginfo-2.10.95-10.el7.x86_64.rpm
fontconfig-devel-2.10.95-10.el7.i686.rpm
fontconfig-devel-2.10.95-10.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

noarch:
fontconfig-devel-doc-2.10.95-10.el7.noarch.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
fontconfig-2.10.95-10.el7.src.rpm

x86_64:
fontconfig-2.10.95-10.el7.i686.rpm
fontconfig-2.10.95-10.el7.x86_64.rpm
fontconfig-debuginfo-2.10.95-10.el7.i686.rpm
fontconfig-debuginfo-2.10.95-10.el7.x86_64.rpm
fontconfig-devel-2.10.95-10.el7.i686.rpm
fontconfig-devel-2.10.95-10.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

noarch:
fontconfig-devel-doc-2.10.95-10.el7.noarch.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2016-5384
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.3_Release_Notes/index.html

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2016 Red Hat, Inc.
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