Linux · Red Hat · Security advisory · May 18, 2021

RHSA-2021:1811: Security update for 2 packages

RHSA-2021:1811, released May 18, 2021, fixes 5 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
5
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0359
89th percentile

Priority of the 5 CVEs

Patch now 0 Urgent 0 High 4 Routine 1

Fixed package versions

ProductReleaseFixed in
libvncserverRHEL 80:0.9.11-17.el8
libvncserver-develRHEL 80:0.9.11-17.el8

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2019-20839 libvncserver: LibVNCServer is a C library that enables you to implement VNC server functionality into own programs. Security Fix(e...7.5 0.0359 None reported
High CVE-2020-14397 vino: An issue was discovered in LibVNCServer before 0.9.13.libvncserver/rfbregion.c has a NULL pointer dereference.7.5 0.0339 None reported
High CVE-2018-21247 libvncserver: LibVNCServer is a C library that enables you to implement VNC server functionality into own programs. Security Fix(e...7.5 0.0252 None reported
High CVE-2020-25708 vino: A divide by zero issue was found to occur in libvncserver-0.9.127.5 0.0163 None reported
Routine CVE-2020-14405 libvncserver: LibVNCServer is a C library that enables you to implement VNC server functionality into own programs. Security Fix(e...6.5 0.0191 None reported
Showing 1 to 5 of 5 1

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