vulnerability
Ubuntu: USN-5965-1 (CVE-2020-26117): TigerVNC vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:M/Au:N/C:P/I:P/A:N) | Sep 27, 2020 | Mar 22, 2023 | Aug 18, 2025 |
Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
Sep 27, 2020
Added
Mar 22, 2023
Modified
Aug 18, 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
ubuntu-pro-upgrade-tigervnc-commonubuntu-pro-upgrade-tigervnc-scraping-serverubuntu-pro-upgrade-tigervnc-standalone-server
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