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Use After Free Affecting firefox package, versions <0:68.6.0-1.0.1.el7_7

Severity

 Recommended
0.0
high
0
10

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.8% (83rd percentile)

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  • Snyk ID SNYK-ORACLE7-FIREFOX-2546747
  • published 10 Apr 2022
  • disclosed 25 Mar 2020
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Introduced: 25 Mar 2020

CVE-2020-6807 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Oracle:7 firefox to version 0:68.6.0-1.0.1.el7_7 or higher.
This issue was patched in ELSA-2020-0815.

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.

When a device was changed while a stream was about to be destroyed, the <code>stream-reinit</code> task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

CVSS Scores

version 3.1
Expand this section

NVD

8.8 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

Red Hat

8.8 high
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SUSE

7.5 high