CVE-2016-9941 - CVE House
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Status published Critical CVE-2016-9941

Heap-based buffer overflow in rfbproto.c in LibVNCClient in LibVNCServer before...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2020-29260
libvncclient v0.9.13 was discovered to contain a memory leak via...
High 7.5
CVE-2020-14401
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has...
Medium 6.5
CVE-2020-14400
An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data...
High 7.5
CVE-2020-14399
An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data...
High 7.5
CVE-2018-7225
An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in...
Critical 9.8

Affected Vendor

libvncserver project

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Affected Software

libvncserver
Vulnerable Versions:
0

Timeline

Official Publish: December 31st, 2016
Last Modified: August 6th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.