Amazon Linux 2 Security Advisory: ALAS2-2026-3231
Advisory Released Date: 2026-04-14
Advisory Updated Date: 2026-04-14
Severity:
Medium
Issue Overview:
In TigerVNC before 1.16.2, Image.cxx in x0vncserver allows other users to observe or manipulate the screen contents, or cause an application crash, because of incorrect permissions. (CVE-2026-34352)
Affected Packages:
tigervnc
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update tigervnc or yum update --advisory ALAS2-2026-3231 to update your system.
New Packages:
aarch64:
tigervnc-1.8.0-24.amzn2.0.8.aarch64
tigervnc-server-1.8.0-24.amzn2.0.8.aarch64
tigervnc-server-minimal-1.8.0-24.amzn2.0.8.aarch64
tigervnc-server-module-1.8.0-24.amzn2.0.8.aarch64
tigervnc-debuginfo-1.8.0-24.amzn2.0.8.aarch64
i686:
tigervnc-1.8.0-24.amzn2.0.8.i686
tigervnc-server-1.8.0-24.amzn2.0.8.i686
tigervnc-server-minimal-1.8.0-24.amzn2.0.8.i686
tigervnc-server-module-1.8.0-24.amzn2.0.8.i686
tigervnc-debuginfo-1.8.0-24.amzn2.0.8.i686
noarch:
tigervnc-server-applet-1.8.0-24.amzn2.0.8.noarch
tigervnc-license-1.8.0-24.amzn2.0.8.noarch
tigervnc-icons-1.8.0-24.amzn2.0.8.noarch
src:
tigervnc-1.8.0-24.amzn2.0.8.src
x86_64:
tigervnc-1.8.0-24.amzn2.0.8.x86_64
tigervnc-server-1.8.0-24.amzn2.0.8.x86_64
tigervnc-server-minimal-1.8.0-24.amzn2.0.8.x86_64
tigervnc-server-module-1.8.0-24.amzn2.0.8.x86_64
tigervnc-debuginfo-1.8.0-24.amzn2.0.8.x86_64