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CVE-2016-9941 Heap-based buffer overflow in rfbproto.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 c...

CriticalCVSS 9.8 EPSS 3.7%
Published
Updated
Exploit status
No public exploit known

Description

Heap-based buffer overflow in rfbproto.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 containing a subrectangle outside of the client drawing area.

Affected products

ProductAffected versionsFixed in
debian/libvncserver(Debian:12) < 0.9.11+dfsg-1 0.9.11+dfsg-1
debian/libvncserver(Debian:13) < 0.9.11+dfsg-1 0.9.11+dfsg-1
debian/libvncserver(Debian:14) < 0.9.11+dfsg-1 0.9.11+dfsg-1
debian/veyon(Debian:12) < 4.1.4+repack1-1 4.1.4+repack1-1
debian/veyon(Debian:13) < 4.1.4+repack1-1 4.1.4+repack1-1
libvncserver project libvncserver <= 0.9.10 No fix listed
alpine/libvncserver(Alpine:v3.10) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.11) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.12) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.13) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.14) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.15) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.16) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.17) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.18) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.19) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.2) < 0.9.10-r2 0.9.10-r2
alpine/libvncserver(Alpine:v3.20) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.21) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.22) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.23) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.24) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.3) < 0.9.10-r2 0.9.10-r2
alpine/libvncserver(Alpine:v3.4) < 0.9.10-r2 0.9.10-r2
alpine/libvncserver(Alpine:v3.5) < 0.9.10-r2 0.9.10-r2
Show 4 more
ProductAffected versionsFixed in
alpine/libvncserver(Alpine:v3.6) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.7) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.8) < 0.9.11-r0 0.9.11-r0
alpine/libvncserver(Alpine:v3.9) < 0.9.11-r0 0.9.11-r0

References