Debian: DSA-4130-1 High: libxml2 XML Parsing Integer Overflow Vulnerability

Multiple heap buffer over reads were discovered in freexl, a library to
read Microsoft Excel spreadsheets, which could result in denial of
service.

For the oldstable distribution (jessie), these problems have been fixed
in version 1.0.0g-1+deb8u5.

For the stable distribution (stretch), these problems have been fixed in
version 1.0.2-2+deb9u2.

We recommend that you upgrade your freexl packages.

For the detailed security status of freexl please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/freexl

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/