RLSA-2021:1811
- Source
- https://errata.rockylinux.org/RLSA-2021:1811
- Import Source
- https://storage.googleapis.com/resf-osv-data/RLSA-2021:1811.json
- JSON Data
- https://api.osv.dev/v1/vulns/RLSA-2021:1811
- Related
- Published
- 2021-05-18T06:09:01Z
- Modified
- 2023-02-02T13:20:20.874301Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- Moderate: libvncserver security update
- Details
-
LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.
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 Rocky Linux 8.4 Release Notes linked from the References section.
- References
-
- https://errata.rockylinux.org/RLSA-2021:1811
- https://bugzilla.redhat.com/show_bug.cgi?id=1849877
- https://bugzilla.redhat.com/show_bug.cgi?id=1849886
- https://bugzilla.redhat.com/show_bug.cgi?id=1860325
- https://bugzilla.redhat.com/show_bug.cgi?id=1860344
- https://bugzilla.redhat.com/show_bug.cgi?id=1896739
- Credits
-
-
- Rocky Enterprise Software Foundation
-
- Red Hat
-
Affected packages
Rocky Linux:8 / libvncserver
Package
- Name
- libvncserver
- Purl
- pkg:rpm/rocky-linux/libvncserver?distro=rocky-linux-8&epoch=0