Use After Free Affecting firefox package, versions <0:45.6.0-1.el7_3


Severity

Recommended
0.0
critical
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
79.33% (99th percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-4675443
  • published26 Jul 2021
  • disclosed14 Dec 2016

Introduced: 14 Dec 2016

CVE-2016-9899  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:45.6.0-1.el7_3 or higher.
This issue was patched in RHSA-2016:2946.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Use-after-free while manipulating DOM events and removing audio elements due to errors in the handling of node adoption. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.