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Out-of-bounds Write Affecting firefox package, versions <0:52.7.0-1.el6_9

Severity

 Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.21% (60th percentile)

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  • Snyk IDSNYK-RHEL6-FIREFOX-1518213
  • published26 Jul 2021
  • disclosed14 Mar 2018
Report a new vulnerability Found a mistake?

Introduced: 14 Mar 2018

CVE-2018-5129  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:6 firefox to version 0:52.7.0-1.el6_9 or higher.
This issue was patched in RHSA-2018:0526.

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 lack of parameter validation on IPC messages results in a potential out-of-bounds write through malformed IPC messages. This can potentially allow for sandbox escape through memory corruption in the parent process. This vulnerability affects Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox < 59.