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You are here: Known Vulnerabilities in Mozilla Products (Firefox > MFSA 2006-27

Mozilla Foundation Security Advisory 2006-27

Title: Table Rebuilding Code Execution Vulnerability
Impact: Critical
Announced: April 21, 2006
Reporter: TippingPoint and the Zero Day Initiative
Products: Firefox, Thunderbird, Mozilla Suite

Fixed in: Firefox
  Firefox 1.0.8
  Thunderbird 1.0.8
  SeaMonkey 1.0.1
  Mozilla Suite 1.7.13


An anonymous researcher for TippingPoint and the Zero Day Initiative reports that an invalid and nonsensical ordering of table-related tags causes Mozilla to use a negative array index. This invalid memory use can be exploited to run code of the attacker's choice.


Upgrade to fixed version.

Although JavaScript is not involved in the vulnerability itself, disabling JavaScript may prevent an attacker from effectively preparing memory in order to carry out the exploit.