CVE-2021-23960 Affecting firefox package, versions <0:78.7.0-2.0.1.el7_9


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.21% (60th percentile)

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  • Snyk ID SNYK-ORACLE7-FIREFOX-2579336
  • published 10 Apr 2022
  • disclosed 26 Feb 2021

How to fix?

Upgrade Oracle:7 firefox to version 0:78.7.0-2.0.1.el7_9 or higher.
This issue was patched in ELSA-2021-0290.

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.

Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.

CVSS Scores

version 3.1
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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
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SUSE

6.1 medium
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Red Hat

8.8 high