Out-of-bounds Read Affecting firefox package, versions <0:52.3.0-2.el7_4


Severity

Recommended
0.0
critical
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.28% (68th percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-8002878
  • published17 Sept 2024
  • disclosed8 Aug 2017

Introduced: 8 Aug 2017

CVE-2017-7753  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:52.3.0-2.el7_4 or higher.
This issue was patched in RHSA-2017:2456.

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.

An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.