Improper Neutralization of Special Elements Affecting firefox package, versions <0:60.8.0-1.el8_0


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.22% (86th percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-3443372
  • published26 Jul 2021
  • disclosed10 Jul 2019

Introduced: 10 Jul 2019

CVE-2019-11717  (opens in a new tab)
CWE-138  (opens in a new tab)

How to fix?

Upgrade RHEL:8 firefox to version 0:60.8.0-1.el8_0 or higher.
This issue was patched in RHSA-2019:1764.

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.

A vulnerability exists where the caret ("^") character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

CVSS Scores

version 3.1