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

Debian GNU/Linux 7 Extended LTS:
ELA-58-1 tiff3 security update

Debian GNU/Linux 9:
DSA 4340-1: chromium-browser security update

ELA-58-1 tiff3 security update

Package: tiff3
Version: 3.9.6-11+deb7u13
Related CVE: CVE-2018-18557
Out-of-bounds write due to ignoring buffer size can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

For Debian 7 Wheezy, these problems have been fixed in version 3.9.6-11+deb7u13.

We recommend that you upgrade your tiff3 packages.

Further information about Extended LTS security advisories can be found at: https://deb.freexian.com/extended-lts/

DSA 4340-1: chromium-browser security update

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Debian Security Advisory DSA-4340-1 security@debian.org
https://www.debian.org/security/ Michael Gilbert
November 18, 2018 https://www.debian.org/security/faq
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Package : chromium-browser
CVE ID : CVE-2018-17478

An out-of-bounds bounds memory access issue was discovered in chromium's
v8 javascript library by cloudfuzzer.

This update also fixes two problems introduced by the previous security
upload. Support for arm64 has been restored and gconf-service is no longer
a package dependency.

For the stable distribution (stretch), this problem has been fixed in
version 70.0.3538.102-1~deb9u1.

We recommend that you upgrade your chromium-browser packages.

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

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/