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.

References

https://usn.ubuntu.com/4587-1/

https://security.gentoo.org/glsa/201702-24

https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html

https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11

https://github.com/LibVNC/libvncserver/pull/137

http://www.securityfocus.com/bid/95170

http://www.debian.org/security/2017/dsa-3753

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3