Cross-site Scripting (XSS) Affecting firefox package, versions <0:10.0.6-1.el6_3


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.39% (75th percentile)

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  • Snyk IDSNYK-RHEL6-FIREFOX-1444259
  • published26 Jul 2021
  • disclosed17 Jul 2012

Introduced: 17 Jul 2012

CVE-2012-1957  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade RHEL:6 firefox to version 0:10.0.6-1.el6_3 or higher.
This issue was patched in RHSA-2012:1088.

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.

An unspecified parser-utility class in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 does not properly handle EMBED elements within description elements in RSS feeds, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a feed.

CVSS Scores

version 3.1