Debian 8 LTS: DSA-3520-1 Critical: Icedove Buffer Overflow Threat

Multiple security issues have been found in Icedove, Debian's version of
the Mozilla Thunderbird mail client: Multiple memory safety errors,
integer overflows, buffer overflows and other implementation errors may
lead to the execution of arbitrary code or denial of service.

For the oldstable distribution (wheezy), these problems have been fixed
in version 38.7.0-1~deb7u1.

For the stable distribution (jessie), these problems have been fixed in
version 38.7.0-1~deb8u1.

For the unstable distribution (sid), these problems have been fixed in
version 38.7.0-1.

We recommend that you upgrade your icedove 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/