The following two updates has been released for both Debian GNU/Linux 8 and 9:

DSA 4136-1: curl security update
DSA 4137-1: libvirt security update

DSA 4136-1: curl security update

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Debian Security Advisory DSA-4136-1 security@debian.org
https://www.debian.org/security/ Alessandro Ghedini
March 14, 2018 https://www.debian.org/security/faq
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Package : curl
CVE ID : CVE-2018-1000120 CVE-2018-1000121 CVE-2018-1000122

Multiple vulnerabilities were discovered in cURL, an URL transfer library.

CVE-2018-1000120

Duy Phan Thanh discovered that curl could be fooled into writing a
zero byte out of bounds when curl is told to work on an FTP URL with
the setting to only issue a single CWD command, if the directory part
of the URL contains a "% 00" sequence.

CVE-2018-1000121

Dario Weisser discovered that curl might dereference a near-NULL
address when getting an LDAP URL due to the ldap_get_attribute_ber()
fuction returning LDAP_SUCCESS and a NULL pointer. A malicious server
might cause libcurl-using applications that allow LDAP URLs, or that
allow redirects to LDAP URLs to crash.

CVE-2018-1000122

OSS-fuzz, assisted by Max Dymond, discovered that curl could be
tricked into copying data beyond the end of its heap based buffer
when asked to transfer an RTSP URL.

For the oldstable distribution (jessie), these problems have been fixed
in version 7.38.0-4+deb8u10.

For the stable distribution (stretch), these problems have been fixed in
version 7.52.1-5+deb9u5.

We recommend that you upgrade your curl packages.

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

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 4137-1: libvirt security update

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Debian Security Advisory DSA-4137-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
March 14, 2018 https://www.debian.org/security/faq
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Package : libvirt
CVE ID : CVE-2018-1064 CVE-2018-5748 CVE-2018-6764

Several vulnerabilities were discovered in Libvirt, a virtualisation
abstraction library:

CVE-2018-1064

Denial Berrange discovered that the QEMU guest agent performed
insufficient validationof incoming data, which allows a privileged
user in the guest to exhaust resources on the virtualisation host,
resulting in denial of service.

CVE-2018-5748

Daniel Berrange and Peter Krempa that the QEMU monitor was suspectible
to denial of service by memory exhaustion. This was already fixed in
Debian stretch and only affects Debian jessie.

CVE-2018-6764

Pedro Sampaio discovered that LXC containes detected the hostname
insecurely. This only affects Debian stretch.

For the oldstable distribution (jessie), these problems have been fixed
in version 1.2.9-9+deb8u5.

For the stable distribution (stretch), these problems have been fixed in
version 3.0.0-4+deb9u3.

We recommend that you upgrade your libvirt packages.

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

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/