CVE-2005-2261: High severity Mozilla Thunderbird vulnerability

Published Jul 13, 2005
·
Updated

Firefox before 1.0.5, Thunderbird before 1.0.5, Mozilla before 1.7.9, Netscape 8.0.2, and K-Meleon 0.9 runs XBL scripts even when Javascript has been disabled, which makes it easier for remote attackers to bypass such protection.

Affected Software

55 affected components
Mozilla Thunderbird=0.6
Mozilla Firefox=0.8
Mozilla Thunderbird=0.7.2
Mozilla Thunderbird=0.3
Mozilla Mozilla=1.7-alpha
Mozilla Thunderbird=0.2
Mozilla Mozilla=1.7-rc1
Mozilla Mozilla=1.5-rc2
Mozilla Firefox=1.0.2
Mozilla Mozilla=1.7
Mozilla Firefox=0.9.1
Mozilla Firefox=1.0.4
Mozilla Mozilla=1.7.5
Mozilla Firefox=0.10.1
Mozilla Thunderbird=1.0
Mozilla Firefox=0.9
Mozilla Thunderbird=1.0.1
Mozilla Mozilla=1.6-beta
Mozilla Mozilla=1.4.1
Mozilla Mozilla=1.5-alpha
Mozilla Mozilla=1.5-rc1
Mozilla Thunderbird=1.0.2
Mozilla Mozilla=1.7.7
Mozilla Mozilla=1.3
Mozilla Firefox=1.0
Mozilla Mozilla=1.7-beta
Mozilla Firefox=1.0.1
Mozilla Mozilla=1.4
Mozilla Mozilla=1.5
Mozilla Thunderbird=0.5
Mozilla Thunderbird=1.0.4
Mozilla Thunderbird=0.9
Mozilla Thunderbird=1.0.3
Mozilla Firefox=1.0.3
Mozilla Mozilla=1.7.6
Mozilla Mozilla=1.7.1
Mozilla Thunderbird=0.7.3
Mozilla Firefox=0.9.3
Mozilla Mozilla=1.4-alpha
Mozilla Thunderbird=0.4
Mozilla Thunderbird=0.7
Mozilla Mozilla=1.7.8
Mozilla Mozilla=1.5.1
Mozilla Firefox=0.9.2
Mozilla Mozilla=1.7.2
Mozilla Thunderbird=0.1
Mozilla Firefox=0.9-rc
Mozilla Mozilla=1.7-rc3
Mozilla Thunderbird=0.7.1
Mozilla Thunderbird=0.8
Mozilla Mozilla=1.7-rc2
Mozilla Firefox=0.10
Mozilla Mozilla=1.7.3
Mozilla Mozilla=1.6-alpha
Mozilla Mozilla=1.6

Event History

Jul 13, 2005
CVE Published
04:00 AM
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2005-2261?

CVE-2005-2261 has been classified as a moderate severity vulnerability, as it allows remote attackers to bypass JavaScript protection.

2

How do I fix CVE-2005-2261?

To fix CVE-2005-2261, you should upgrade to the latest version of affected software such as Firefox or Thunderbird, specifically version 1.0.5 or later.

3

What software is affected by CVE-2005-2261?

CVE-2005-2261 affects several versions of Firefox, Thunderbird, Mozilla, Netscape, and K-Meleon prior to specified versions.

4

How does CVE-2005-2261 impact users?

CVE-2005-2261 allows attackers to execute XBL scripts even with JavaScript disabled, which could lead to further exploits.

5

When was CVE-2005-2261 discovered?

CVE-2005-2261 was publicly disclosed as a vulnerability related to various Mozilla products, with notable impacts in 2005.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203