CVE-2016-9942

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 74%
VendorProductVersion
libvncserver_projectlibvncserver
0.9.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libvncserver
bullseye
0.9.13+dfsg-2+deb11u1
fixed
sid
0.9.14+dfsg-1
fixed
trixie
0.9.14+dfsg-1
fixed
bookworm
0.9.14+dfsg-1
fixed
veyon
bullseye
4.5.3+repack1-1
fixed
bookworm
4.7.5+repack1-1
fixed
sid
4.7.5+repack1-1.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
italc
focal
dne
bionic
Fixed 1:3.0.1+dfsg1-1
released
xenial
Fixed 1:2.0.2+dfsg1-4ubuntu0.1
released
trusty
dne
libvncserver
yakkety
Fixed 0.9.10+dfsg-3ubuntu0.16.10.1
released
xenial
Fixed 0.9.10+dfsg-3ubuntu0.16.04.1
released
trusty
Fixed 0.9.9+dfsg-1ubuntu1.2
released
precise
Fixed 0.9.8.2-2ubuntu1.2
released
Common Weakness Enumeration
References
http://www.debian.org/security/2017/dsa-3753
http://www.securityfocus.com/bid/95170
https://github.com/LibVNC/libvncserver/pull/137
https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
https://security.gentoo.org/glsa/201702-24
https://usn.ubuntu.com/4587-1/
http://www.debian.org/security/2017/dsa-3753
http://www.securityfocus.com/bid/95170
https://github.com/LibVNC/libvncserver/pull/137
https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
https://security.gentoo.org/glsa/201702-24
https://usn.ubuntu.com/4587-1/