RHSA-2016:2119 - Security Advisory

Topic

An update for flash-plugin is now available for Red Hat Enterprise Linux 5
Supplementary and Red Hat Enterprise Linux 6 Supplementary.

Red Hat Product Security has rated this update as having a security impact of
Critical. 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.

Description

The flash-plugin package contains a Mozilla Firefox compatible Adobe Flash
Player web browser plug-in.

This update upgrades Flash Player to version 11.2.202.643.

Security Fix(es):

• This update fixes one vulnerability in Adobe Flash Player. This vulnerability,

detailed in the Adobe Security Bulletin listed in the References section, could
allow an attacker to create a specially crafted SWF file that would cause
flash-plugin to crash, execute arbitrary code, or disclose sensitive information
when the victim loaded a page containing the malicious SWF content.
(CVE-2016-7855)

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

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server 5 x86_64
• Red Hat Enterprise Linux Server 5 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Workstation 5 x86_64
• Red Hat Enterprise Linux Workstation 5 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux Desktop 5 x86_64
• Red Hat Enterprise Linux Desktop 5 i386

Fixes

• BZ - 1389033 - CVE-2016-7855 flash-plugin: user-after-free issues fixed in APSB16-36

CVEs

• CVE-2016-7855

References

• https://access.redhat.com/security/updates/classification/#critical
• https://helpx.adobe.com/security/products/flash-player/apsb16-36.html