Mozilla Firefox IE Tab Javascript denial of service

firefox-ietab-javascript-dos (26540) The risk level is classified as MediumMedium Risk


Mozilla Firefox using the IE Tab plugin is vulnerable to a denial of service, caused by a NULL pointer dereference when handling specially-crafted JavaScript. A remote attacker could exploit this vulnerability using a malicious Web page to cause a victim's browser to crash.


Denial of Service


No remedy available as of September 1, 2014.


  • Full-Disclosure Mailing List, Wed May 17 2006 - 13:07:46 CDT: Firefox (with IETab Plugin) Null Pointer Dereferences Bug.
  • IE Tab Web site: IE Tab :: Mozilla Add-ons :: Add Features to Mozilla Software.
  • Mozilla Web site: Firefox - Rediscover the web.
  • CVE-2006-2538: IE Tab 1.0.9 plugin for Mozilla Firefox allows remote user-assisted attackers to cause a denial of service (application crash), possibly due to a null dereference, via certain Javascript, as demonstrated using a url parameter to the content/reloaded.html page in a chrome:// URI. Some third-party researchers claim that they are unable to reproduce this vulnerability.
  • OSVDB ID: 25768: IE Tab for Mozilla Firefox NULL Dereference DoS

Platforms Affected:

  • Mozilla Firefox
  • PCMan IE Tab 1.0.3


May 17, 2006

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