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7.5
CVSSv3

CVE-2018-20024

Published: 19/12/2018 Updated: 23/10/2020
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability Summary

LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that can result DoS.

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libvnc project libvncserver

debian debian linux 9.0

canonical ubuntu linux 18.10

canonical ubuntu linux 18.04

canonical ubuntu linux 16.04

canonical ubuntu linux 14.04

debian debian linux 8.0

Vendor Advisories

Debian CVElist Bug Report Logs: libvncserver: Multiple security vulnerabilities
Debian Bug report logs - #916941 libvncserver: Multiple security vulnerabilities Package: libvncserver; Maintainer for libvncserver is Peter Spiess-Knafl <dev@spiessknaflat>; Reported by: Markus Koschany <apo@debianorg> Date: Thu, 20 Dec 2018 18:21:01 UTC Severity: grave Tags: patch, security, upstream Found in ve ...
Ubuntu Security Notice: libvncserver vulnerabilities
Several security issues were fixed in LibVNCServer ...
Red Hat: CVE-2018-20024
LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that can result DoS ...

References

CWE-476https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-034-libvnc-null-pointer-dereference/https://lists.debian.org/debian-lts-announce/2018/12/msg00017.htmlhttps://usn.ubuntu.com/3877-1/https://www.debian.org/security/2019/dsa-4383https://security.gentoo.org/glsa/201908-05https://lists.debian.org/debian-lts-announce/2019/10/msg00042.htmlhttps://lists.debian.org/debian-lts-announce/2019/11/msg00033.htmlhttps://security.gentoo.org/glsa/202006-06https://usn.ubuntu.com/4547-1/https://usn.ubuntu.com/4547-2/https://usn.ubuntu.com/4587-1/https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916941https://usn.ubuntu.com/3877-1/https://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereferenceCVE-2023-52689CVE-2024-23803client sideCVE-2023-52696information disclosureCVE-2024-35843CVE-2024-27130CVE-2023-52697
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