Out-of-bounds Read Affecting firefox package, versions *


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.08% (37th percentile)

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  • Snyk IDSNYK-RHEL6-FIREFOX-1415731
  • published26 Jul 2021
  • disclosed1 Jun 2021

Introduced: 1 Jun 2021

CVE-2021-29964  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:6 firefox.

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:6 relevant fixed versions and status.

A locally-installed hostile program could send WM_COPYDATA messages that Firefox would process incorrectly, leading to an out-of-bounds read. This bug only affects Firefox on Windows. Other operating systems are unaffected.. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.

CVSS Scores

version 3.1