CVEvulnerability
CVE-2016-9942
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2016-12-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-119
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.
Affected configurations
• libvncserver project libvncserver 0.9.10
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://www.debian.org/security/2017/dsa-3753 www.debian.org
- http://www.securityfocus.com/bid/95170 www.securityfocus.com
- https://github.com/LibVNC/libvncserver/pull/137 github.com
- https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11 github.com
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html lists.debian.org
- https://security.gentoo.org/glsa/201702-24 security.gentoo.org
- https://usn.ubuntu.com/4587-1/ usn.ubuntu.com
- http://www.debian.org/security/2017/dsa-3753 www.debian.org
- http://www.securityfocus.com/bid/95170 www.securityfocus.com
- https://github.com/LibVNC/libvncserver/pull/137 github.com
- https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11 github.com
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html lists.debian.org
- https://security.gentoo.org/glsa/201702-24 security.gentoo.org
- https://usn.ubuntu.com/4587-1/ usn.ubuntu.com