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Integer Overflow or Wraparound Affecting firefox package, versions <0:60.3.0-1.el7_5

Severity

 Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
3.39% (92nd percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-4852755
  • published26 Jul 2021
  • disclosed23 Oct 2018
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Introduced: 23 Oct 2018

CVE-2018-12393  (opens in a new tab)
CWE-190  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:60.3.0-1.el7_5 or higher.
This issue was patched in RHSA-2018:3005.

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.

A potential vulnerability was found in 32-bit builds where an integer overflow during the conversion of scripts to an internal UTF-16 representation could result in allocating a buffer too small for the conversion. This leads to a possible out-of-bounds write. Note: 64-bit builds are not vulnerable to this issue.. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.

References