NULL pointer dereference vulnerability in the rebuild_vlists
function in lib/dotgen/conc.c in the dotgen library allows
remote attackers to cause a denial of service (application
crash) via a crafted file.
A buffer overflow was discovered in Graphviz, which could
potentially result in the execution of arbitrary code when
processing a malformed file.
For Debian 9 stretch, these problems have been fixed in version
We recommend that you upgrade your graphviz packages.
For the detailed security status of graphviz please refer to
its security tracker page at:
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
Debian LTS Advisory DLA-2659-1 [email protected]
https://www.debian.org/lts/security/ Utkarsh Gupta
May 13, 2021 https://wiki.debian.org/LTS
Version : 2.38.0-17+deb9u1