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It was discovered that Apache Commons Lang incorrectly handled recursion in the ClassUtils.getClass method. An attacker could possibly use this issue to cause Apache Commons Lang to crash, resulting in a denial of service.

Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 8.0.46 in Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. Ubuntu 25.10 and Ubuntu 26.04 LTS have been updated to MySQL 8.4.9. In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes. Please see the following for more information: https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-46.html https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-9.html https://www.oracle.com/security-alerts/cpuapr2026.html

It was discovered that XZ Utils did not properly manage memory when attempting to append data to a decoded index that contained no records. An attacker could possibly use this issue to cause XZ Utils to crash, resulting in a denial of service, or execute arbitrary code.

FEDORA-EPEL-2026-189ae0571a Packages in this update:

• perl-Sereal-5.006-1.el10_2
• perl-Sereal-Decoder-5.006-1.el10_2
• perl-Sereal-Encoder-5.006-1.el10_2

Update description:

This update includes a security fix to make sure that COPY tags cannot be used to read past end of the buffer.

FEDORA-2026-557e726e74 Packages in this update:

• xorg-x11-server-Xwayland-24.1.12-1.fc43

Update description:

Update to xwayland 24.1.12, Security fixes for: ZDI-CAN-30136, ZDI-CAN-30159, ZDI-CAN-30160, ZDI-CAN-30161, ZDI-CAN-30163, ZDI-CAN-30164, ZDI-CAN-30165, ZDI-CAN-30168

FEDORA-2026-c3ea7d7b0e Packages in this update:

• xorg-x11-server-21.1.23-1.fc43

Update description:

Update to xserver 21.1.23, Security fixes for: ZDI-CAN-30136, ZDI-CAN-30159, ZDI-CAN-30160, ZDI-CAN-30161, ZDI-CAN-30163, ZDI-CAN-30164, ZDI-CAN-30165, ZDI-CAN-30168

FEDORA-2026-7e38f57cef Packages in this update:

• xorg-x11-server-21.1.23-1.fc44

Update description:

Update to xserver 21.1.23, security fixes for: ZDI-CAN-30136, ZDI-CAN-30159, ZDI-CAN-30160, ZDI-CAN-30161, ZDI-CAN-30163, ZDI-CAN-30164, ZDI-CAN-30165, ZDI-CAN-30168

FEDORA-2026-f98eff99c4 Packages in this update:

• xorg-x11-server-Xwayland-24.1.12-1.fc44

Update description:

Update to xwayland 24.1.12, security fixes for ZDI-CAN-30136, ZDI-CAN-30159, ZDI-CAN-30160, ZDI-CAN-30161, ZDI-CAN-30163, ZDI-CAN-30164, ZDI-CAN-30165, ZDI-CAN-30168

A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystem: - Packet sockets; (CVE-2026-31504)

Version:next-20260601 (linux-next) Released:2026-06-01

USN-8209-1 fixed vulnerabilities in Little CMS. This update contains the fixes for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that Little CMS incorrectly handled certain malformed ICC profiles. An attacker could use this issue to cause Little CMS to crash, resulting in a denial of service, or possibly execute arbitrary code.

Version:7.0.11 (stable) Released:2026-06-01 Source:linux-7.0.11.tar.xz PGP Signature:linux-7.0.11.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-7.0.11

Version:6.18.34 (longterm) Released:2026-06-01 Source:linux-6.18.34.tar.xz PGP Signature:linux-6.18.34.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.18.34

Version:6.12.92 (longterm) Released:2026-06-01 Source:linux-6.12.92.tar.xz PGP Signature:linux-6.12.92.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.12.92

Version:6.6.142 (longterm) Released:2026-06-01 Source:linux-6.6.142.tar.xz PGP Signature:linux-6.6.142.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.6.142

Version:6.1.175 (longterm) Released:2026-06-01 Source:linux-6.1.175.tar.xz PGP Signature:linux-6.1.175.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.1.175

Version:5.15.209 (longterm) Released:2026-06-01 Source:linux-5.15.209.tar.xz PGP Signature:linux-5.15.209.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-5.15.209

Version:5.10.258 (longterm) Released:2026-06-01 Source:linux-5.10.258.tar.xz PGP Signature:linux-5.10.258.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-5.10.258