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Debian LTS Advisory DLA-2428-1              debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Utkarsh Gupta
November 01, 2020                           https://wiki.debian.org/LTS
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Package        : spice-gtk
Version        : 0.33-3.3+deb9u2
CVE ID         : CVE-2020-14355
Debian Bug     : 971751

Multiple buffer overflow vulnerabilities were found in the QUIC
image decoding process of the SPICE remote display system.

Both the SPICE client (spice-gtk) and server are affected by
these flaws. These flaws allow a malicious client or server to
send specially crafted messages that, when processed by the
QUIC image compression algorithm, result in a process crash or
potential code execution.

For Debian 9 stretch, this problem has been fixed in version
0.33-3.3+deb9u2.

We recommend that you upgrade your spice-gtk packages.

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

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS