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CVE-2016-2821 Affecting firefox package, versions <0:45.2.0-1.0.1.el7_2

Severity

 Recommended
critical

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    2.4% (91st percentile)

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  • Snyk ID SNYK-ORACLE7-FIREFOX-2505867
  • published 10 Apr 2022
  • disclosed 13 Jun 2016
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Introduced: 13 Jun 2016

CVE-2016-2821 Open this link in a new tab

How to fix?

Upgrade Oracle:7 firefox to version 0:45.2.0-1.0.1.el7_2 or higher.
This issue was patched in ELSA-2016-1217.

NVD Description

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

Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when contenteditable mode is enabled, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by triggering deletion of DOM elements that were created in the editor.

CVSS Scores

version 3.1
Expand this section

Red Hat

5.6 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    Low