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Use After Free Affecting firefox package, versions <0:45.3.0-1.el7_2

Severity

 Recommended
0.0
critical
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.82% (88th percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-4632430
  • published26 Jul 2021
  • disclosed2 Aug 2016
Report a new vulnerability Found a mistake?

Introduced: 2 Aug 2016

CVE-2016-5254  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:45.3.0-1.el7_2 or higher.
This issue was patched in RHSA-2016:1551.

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 vulnerability in the nsXULPopupManager::KeyDown function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) by leveraging keyboard access to use the Alt key during selection of top-level menu items.