Debian Security Advisory DSA 828-1 – Upstream developers of squid, the popular WWW proxy cache, have discovered that changes in the authentication scheme are not handled properly when given certain request sequences while NTLM authentication is in place, which may cause the daemon to restart.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/40363/dsa-828-1.txt
Source: https://packetstormsecurity.com/files/40363/Debian-Linux-Security-Advisory-828-1.html