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CVE Vulnerabilities

CVE-2020-14397

NULL Pointer Dereference

Published: Jun 17, 2020 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2020-14397
CWEhttps://cwe.mitre.org/data/definitions/476.html

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
LibvncserverLibvnc_project*0.9.12 (including)
Red Hat Enterprise Linux 8RedHatlibvncserver-0:0.9.11-17.el8*
LibvncserverUbuntubionic*
LibvncserverUbuntueoan*
LibvncserverUbuntuesm-infra/bionic*
LibvncserverUbuntuesm-infra/focal*
LibvncserverUbuntuesm-infra/xenial*
LibvncserverUbuntufocal*
LibvncserverUbuntutrusty*
LibvncserverUbuntuxenial*
VeyonUbuntueoan*
VeyonUbuntufocal*
VeyonUbuntugroovy*
VeyonUbuntuhirsute*
VeyonUbuntuimpish*
VeyonUbuntukinetic*
VeyonUbuntulunar*
VeyonUbuntumantic*
VeyonUbuntuoracular*
VeyonUbuntuplucky*
VinoUbuntubionic*
VinoUbuntuesm-apps/jammy*
VinoUbuntuesm-apps/noble*
VinoUbuntuesm-infra/bionic*
VinoUbuntuesm-infra/focal*
VinoUbuntuesm-infra/xenial*
VinoUbuntufocal*
VinoUbuntugroovy*
VinoUbuntuhirsute*
VinoUbuntuimpish*
VinoUbuntujammy*
VinoUbuntukinetic*
VinoUbuntulunar*
VinoUbuntumantic*
VinoUbuntunoble*
VinoUbuntuoracular*
VinoUbuntuplucky*
VinoUbuntuquesting*
VinoUbuntutrusty*
VinoUbuntuxenial*
X11vncUbuntubionic*
X11vncUbuntueoan*
X11vncUbuntufocal*
X11vncUbuntugroovy*
X11vncUbuntuhirsute*
X11vncUbuntuimpish*
X11vncUbuntukinetic*
X11vncUbuntulunar*
X11vncUbuntumantic*
X11vncUbuntutrusty*
X11vncUbuntutrusty/esm*
X11vncUbuntuxenial*

Potential Mitigations

References

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