CSS Letter-Spacing Heap Overflow Vulnerability
An anonymous researcher for TippingPoint and the Zero Day Initiative
discovered an integer overflow triggered by the CSS letter-spacing property.
This results in in under-allocating memory and ultimately a heap buffer
overflow which could be exploited to run code of the attacker's choice.
affect Thunderbird via received mail, but without scripting to prepare
memory it may not be possible to exploit this condition in mail.
Upgrade to the fixed version.
This issue also affects FC4
Fedora Core 5 is no longer supported, could you please reproduce this with the
updated version of the currently supported distribution (Fedora Core 6, or
Fedora 7, or Rawhide)? If this issue turns out to still be reproducible, please
let us know in this bug report. If after a month's time we have not heard back
from you, we will have to close this bug as CANTFIX.
Setting status to NEEDINFO, and awaiting information from the reporter.
Thanks in advance.
We haven't got any reply to the last question about reproducability of the bug
with Fedora Core 6, Fedora 7, or Fedora devel. Mass closing this bug, so if you
have new information that would help us fix this bug, please reopen it with the