Cross-site Scripting (XSS) Affecting thunderbird package, versions <0:2.0.0.17-1.el5


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
7.09% (91st percentile)

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  • Snyk IDSNYK-RHEL10-THUNDERBIRD-9878320
  • published28 Apr 2025
  • disclosed23 Sept 2008

Introduced: 23 Sep 2008

CVE-2008-4066  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade RHEL:10 thunderbird to version 0:2.0.0.17-1.el5 or higher.
This issue was patched in RHSA-2008:0908.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

Mozilla Firefox 2.0.0.14, and other versions before 2.0.0.17, allows remote attackers to bypass cross-site scripting (XSS) protection mechanisms and conduct XSS attacks via HTML-escaped low surrogate characters that are ignored by the HTML parser, as demonstrated by a "jav&#56325ascript" sequence, aka "HTML escaped low surrogates bug."

References

CVSS Base Scores

version 3.1