Integer Overflow or Wraparound Affecting firefox package, versions <0:78.2.0-3.el8_0


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.3% (71st percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-4379823
  • published26 Jul 2021
  • disclosed30 Jun 2020

Introduced: 30 Jun 2020

CVE-2020-12422  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade RHEL:8 firefox to version 0:78.2.0-3.el8_0 or higher.
This issue was patched in RHSA-2020:3555.

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:8 relevant fixed versions and status.

In non-standard configurations, a JPEG image created by JavaScript could have caused an internal variable to overflow, resulting in an out of bounds write, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 78.

CVSS Scores

version 3.1