DescriptionXRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh
Debian Bugs849478

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tigervnc (PTS)stretch1.7.0+dfsg-7+deb9u1fixed
bullseye, sid1.10.1+dfsg-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs

Patch applied in Red Hat

Search for package or bug name: Reporting problems