Critical severity9.8NVD Advisory· Published Dec 31, 2016· Updated Jun 17, 2026
CVE-2016-9942
CVE-2016-9942
Description
Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
19cpe:2.3:a:libvncserver_project:libvncserver:0.9.10:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:libvncserver_project:libvncserver:0.9.10:*:*:*:*:*:*:*
- (no CPE)range: <0.9.11
- osv-coords17 versionspkg:rpm/suse/LibVNCServer&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/LibVNCServer&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/LibVNCServer&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/LibVNCServer&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/LibVNCServer&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/LibVNCServer&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/LibVNCServer&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/LibVNCServer&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/LibVNCServer&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/LibVNCServer&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/tigervnc&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/tigervnc&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/tigervnc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/tigervnc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/tigervnc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/tigervnc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/tigervnc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2
< 0.9.1-159.1+ 16 more
- (no CPE)range: < 0.9.1-159.1
- (no CPE)range: < 0.9.9-17.5.1
- (no CPE)range: < 0.9.9-17.5.1
- (no CPE)range: < 0.9.9-17.5.1
- (no CPE)range: < 0.9.1-159.1
- (no CPE)range: < 0.9.9-17.5.1
- (no CPE)range: < 0.9.9-17.5.1
- (no CPE)range: < 0.9.1-159.1
- (no CPE)range: < 0.9.9-17.5.1
- (no CPE)range: < 0.9.9-17.5.1
- (no CPE)range: < 1.4.3-19.1
- (no CPE)range: < 1.6.0-16.4
- (no CPE)range: < 1.4.3-19.1
- (no CPE)range: < 1.6.0-16.4
- (no CPE)range: < 1.6.0-16.4
- (no CPE)range: < 1.4.3-19.1
- (no CPE)range: < 1.6.0-16.4
Patches
Vulnerability mechanics
References
7- www.debian.org/security/2017/dsa-3753nvd
- www.securityfocus.com/bid/95170nvd
- github.com/LibVNC/libvncserver/pull/137nvd
- github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11nvd
- lists.debian.org/debian-lts-announce/2019/10/msg00042.htmlnvd
- security.gentoo.org/glsa/201702-24nvd
- usn.ubuntu.com/4587-1/nvd
News mentions
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