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VULNERABILITIES

CVE-2019-20788 Details

Description

libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value. NOTE: this may overlap CVE-2019-15690.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html CVEMailing ListThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf CVEPatchThird Party Advisory
https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed CVEPatchThird Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-064-libvnc-libvncclient CVEExploitThird Party Advisory
https://usn.ubuntu.com/4407-1/ CVEThird Party Advisory

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-190Integer Overflow or Wraparound[email protected]
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions

Change History

12 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-20788
NVD Published Date:
Apr 23, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]