Debian Security Advisory 1871-2 – The previous wordpress update introduced a regression when fixing CVE-2008-4769 due to a function that was not backported with the patch. Please note that this regression only affects the oldstable distribution (etch).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/80720/dsa-1871-2.txt
Source: https://packetstormsecurity.com/files/80720/Debian-Linux-Security-Advisory-1871-2.html