vulnerability
Rocky Linux: CVE-2020-26117: tigervnc (RLSA-2021-1783)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:M/Au:N/C:P/I:P/A:N) | Sep 27, 2020 | Mar 12, 2024 | Aug 13, 2025 |
Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
Sep 27, 2020
Added
Mar 12, 2024
Modified
Aug 13, 2025
Description
In rfb/CSecurityTLS.cxx and rfb/CSecurityTLS.java in TigerVNC before 1.11.0, viewers mishandle TLS certificate exceptions. They store the certificates as authorities, meaning that the owner of a certificate could impersonate any server after a client had added an exception.
Solutions
rocky-upgrade-tigervncrocky-upgrade-tigervnc-debuginforocky-upgrade-tigervnc-debugsourcerocky-upgrade-tigervnc-serverrocky-upgrade-tigervnc-server-debuginforocky-upgrade-tigervnc-server-minimalrocky-upgrade-tigervnc-server-minimal-debuginforocky-upgrade-tigervnc-server-modulerocky-upgrade-tigervnc-server-module-debuginfo
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.