DSA-3796-1 for apache2 introduced a regression in sitesummary: fixing
CVE-2016-8743 meant being more stringent when dealing with whitespace
patterns in HTTP requests, and that change broke the upload tool of
For the stable distribution (jessie), this problem has been fixed in
We recommend that you upgrade your sitesummary packages.
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/