Amazon Linux 2023 Security Advisory: ALAS2023-2026-1537
Advisory Released Date: 2026-04-13
Advisory Updated Date: 2026-04-13
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
Issue Correction:
Run dnf update tigervnc --releasever 2023.11.20260413 or dnf update --advisory ALAS2023-2026-1537 --releasever 2023.11.20260413 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
tigervnc-server-minimal-debuginfo-1.14.1-3.amzn2023.0.4.aarch64
tigervnc-server-debuginfo-1.14.1-3.amzn2023.0.4.aarch64
tigervnc-server-1.14.1-3.amzn2023.0.4.aarch64
tigervnc-server-module-debuginfo-1.14.1-3.amzn2023.0.4.aarch64
tigervnc-debuginfo-1.14.1-3.amzn2023.0.4.aarch64
tigervnc-server-module-1.14.1-3.amzn2023.0.4.aarch64
tigervnc-1.14.1-3.amzn2023.0.4.aarch64
tigervnc-server-minimal-1.14.1-3.amzn2023.0.4.aarch64
tigervnc-debugsource-1.14.1-3.amzn2023.0.4.aarch64
noarch:
tigervnc-license-1.14.1-3.amzn2023.0.4.noarch
tigervnc-icons-1.14.1-3.amzn2023.0.4.noarch
tigervnc-selinux-1.14.1-3.amzn2023.0.4.noarch
src:
tigervnc-1.14.1-3.amzn2023.0.4.src
x86_64:
tigervnc-server-minimal-debuginfo-1.14.1-3.amzn2023.0.4.x86_64
tigervnc-server-module-debuginfo-1.14.1-3.amzn2023.0.4.x86_64
tigervnc-server-debuginfo-1.14.1-3.amzn2023.0.4.x86_64
tigervnc-debuginfo-1.14.1-3.amzn2023.0.4.x86_64
tigervnc-server-module-1.14.1-3.amzn2023.0.4.x86_64
tigervnc-server-minimal-1.14.1-3.amzn2023.0.4.x86_64
tigervnc-debugsource-1.14.1-3.amzn2023.0.4.x86_64
tigervnc-1.14.1-3.amzn2023.0.4.x86_64
tigervnc-server-1.14.1-3.amzn2023.0.4.x86_64