vulnerability
Arch Linux: Arbitrary code execution (CVE-2016-9942)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Dec 31, 2016 | Jul 11, 2025 | Nov 27, 2025 |
Severity
7
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Dec 31, 2016
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A heap-based buffer overflow has been discovered 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.
Solution
arch-linux-upgrade-latest
References
- CVE-2016-9942
- https://attackerkb.com/topics/CVE-2016-9942
- URL-http://www.debian.org/security/2017/dsa-3753
- URL-http://www.securityfocus.com/bid/95170
- URL-https://github.com/LibVNC/libvncserver/pull/137
- URL-https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11
- URL-https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- URL-https://security.archlinux.org/ASA-201701-20
- URL-https://security.gentoo.org/glsa/201702-24
- URL-https://usn.ubuntu.com/4587-1/
- CWE-119
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