vulnerability
CentOS Linux: CVE-2022-46340: Important: tigervnc security update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:L/Au:S/C:C/I:C/A:C) | Dec 14, 2022 | Jan 12, 2023 | Jan 28, 2025 |
Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
Dec 14, 2022
Added
Jan 12, 2023
Modified
Jan 28, 2025
Description
A vulnerability was found in X.Org. This security flaw occurs becuase the swap handler for the XTestFakeInput request of the XTest extension may corrupt the stack if GenericEvents with lengths larger than 32 bytes are sent through a the XTestFakeInput request. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions. This issue does not affect systems where client and server use the same byte order.
Solutions
centos-upgrade-tigervnccentos-upgrade-tigervnc-debuginfocentos-upgrade-tigervnc-iconscentos-upgrade-tigervnc-licensecentos-upgrade-tigervnc-servercentos-upgrade-tigervnc-server-appletcentos-upgrade-tigervnc-server-minimalcentos-upgrade-tigervnc-server-modulecentos-upgrade-xorg-x11-server-commoncentos-upgrade-xorg-x11-server-debuginfocentos-upgrade-xorg-x11-server-develcentos-upgrade-xorg-x11-server-sourcecentos-upgrade-xorg-x11-server-xdmxcentos-upgrade-xorg-x11-server-xephyrcentos-upgrade-xorg-x11-server-xnestcentos-upgrade-xorg-x11-server-xorgcentos-upgrade-xorg-x11-server-xvfbcentos-upgrade-xorg-x11-server-xwayland
References
Rapid7 Labs
2026 Global Threat Landscape Report
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