"Firefox 3.0.10 fixes one issue introduced by the 3.0.9 release
that actually ended up triggering frequent crashes in the
:"Users of the HTML Validator add-on were particularly affected,
but other users also experienced this crash in some situations,"
Mozilla's advisory on the issue states. "In analyzing this crash we
discovered that it was due to memory corruption similar to cases
that have been identified as security vulnerabilities in the
"It's unfortunate that the 3.0.9 release triggered crashes,
however it is noteworthy that Mozilla reacted very quickly in
getting the issue resolved."