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VULNERABILITIES

CVE-2016-9942 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/LibVNC/libvncserver/pull/137 CVE
https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11 CVE
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html CVE
https://security.gentoo.org/glsa/201702-24 CVE
https://usn.ubuntu.com/4587-1/ CVE

see all 14 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer[email protected]

Affected Products

ProductVersions
libvncserver project libvncserver
0.9.10

CPE

  • cpe:2.3:a:libvncserver_project:libvncserver:0.9.10:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

10 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2016-9942
NVD Published Date:
Dec 31, 2016
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2016-9942 Details - Not Deferred