AlmaLinux 2321 Published by

A libvncserver security update has been released for AlmaLinux.



ALSA-2021:1811 Moderate: libvncserver security update


Type:
security

Severity:
moderate

Release date:
2021-05-18

Description
Security Fix(es):
* libvncserver: uninitialized memory contents are vulnerable to Information Leak (CVE-2018-21247)
* libvncserver: buffer overflow in ConnectClientToUnixSock() (CVE-2019-20839)
* libvncserver: libvncserver/rfbregion.c has a NULL pointer dereference (CVE-2020-14397)
* libvncserver: libvncclient/rfbproto.c does not limit TextChat size (CVE-2020-14405)
* libvncserver: libvncserver/rfbserver.c has a divide by zero which could result in DoS (CVE-2020-25708)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

References:
CVE-2018-21247
CVE-2019-20839
CVE-2020-14397
CVE-2020-14405
CVE-2020-25708

Updates packages:
libvncserver-0.9.11-17.el8.i686.rpm
libvncserver-0.9.11-17.el8.x86_64.rpm
libvncserver-devel-0.9.11-17.el8.i686.rpm
libvncserver-devel-0.9.11-17.el8.x86_64.rpm

Notes:
This page is generated automatically and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.

  ALSA-2021:1811 Moderate: libvncserver security update