DescriptionThe rfbSendFramebufferUpdate function in server/libvncserver/rfbserver.c in vino-server in Vino 2.x before 2.28.3, 2.32.x before 2.32.2, 3.0.x before 3.0.2, and 3.1.x before 3.1.1, when raw encoding is used, allows remote authenticated users to cause a denial of service (daemon crash) via a large (1) X position or (2) Y position value in a framebuffer update request that triggers an out-of-bounds memory access, related to the rfbTranslateNone and rfbSendRectEncodingRaw functions.
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 severitylow (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libvncserver (PTS)jessie0.9.9+dfsg2-6.1+deb8u3fixed
jessie (security)0.9.9+dfsg2-6.1+deb8u5fixed
stretch, stretch (security)0.9.11+dfsg-1.3~deb9u1fixed
buster, sid0.9.11+dfsg-1.3fixed
vino (PTS)jessie3.14.0-2fixed
buster, sid3.22.0-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libvncserversource(unstable)(not affected)


- libvncserver <not-affected> (Performs sufficient range validation, but was initially reported as affected)
Only affects the krfb from KDE 3.5

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