The following updates has been released for Debian GNU/Linux:

DSA 4333-1: icecast2 security update
DSA 4334-1: mupdf security update

DSA 4333-1: icecast2 security update

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Debian Security Advisory DSA-4333-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
November 04, 2018 https://www.debian.org/security/faq
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Package : icecast2
CVE ID : CVE-2018-18820

Nick Rolfe discovered multiple buffer overflows in the Icecast multimedia
streaming server which could result in the execution of arbitrary code.

For the stable distribution (stretch), this problem has been fixed in
version 2.4.2-1+deb9u1.

We recommend that you upgrade your icecast2 packages.

For the detailed security status of icecast2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/icecast2

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/

DSA 4334-1: mupdf security update

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Debian Security Advisory DSA-4334-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
November 04, 2018 https://www.debian.org/security/faq
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Package : mupdf
CVE ID : CVE-2017-17866 CVE-2018-5686 CVE-2018-6187 CVE-2018-6192
CVE-2018-1000037 CVE-2018-1000040

Multiple vulnerabilities were discovered in MuPDF, a PDF, XPS, and e-book
viewer which could result in denial of service or the execution of
arbitrary code if malformed documents are opened.

For the stable distribution (stretch), these problems have been fixed in
version 1.9a+ds1-4+deb9u4.

We recommend that you upgrade your mupdf packages.

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

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/