Improper input validation in MySQL Server - CVE-2025-50078

Vulnerability identifier: #VU112947

CSH Severity: Medium

CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-50078

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: DML component in MySQL Server. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.

MySQL Server
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Anolis OS
openEuler
Ubuntu
mecab
mysql-selinux (Red Hat package)
mecab-ipadic-EUCJP
mecab-ipadic
mysql-8.0 (Ubuntu package)
mysql-libs
mysql-test
mysql-server
mysql-errmsg
mysql-devel
mysql-common
mysql
mysql-config
mysql-debuginfo
mysql-debugsource
mysql-help
mysql (Red Hat package)
mysql8.4 (Red Hat package)
Guardium Data Protection

Install updates from vendor's website.

mecab - update to 0.996-2
mysql-selinux (Red Hat package) - update to 1.0.14-1.el10_0
mecab-ipadic-EUCJP - update to 2.7.0.20070801-17.0.1
mecab-ipadic - update to 2.7.0.20070801-17.0.1
mysql-8.0 (Ubuntu package) - addressed in versions 8.0.43-0ubuntu0.20.04.1+esm1, 8.0.43-0ubuntu0.22.04.1, 8.0.43-0ubuntu0.24.04.1, 8.4.6-0ubuntu0.25.04.1
mysql-libs - addressed in versions 8.0.43-1, 8.0.43-1.0.1
mysql-test - addressed in versions 8.0.43-1, 8.0.43-1.0.1
mysql-server - addressed in versions 8.0.43-1, 8.0.43-1.0.1
mysql-errmsg - addressed in versions 8.0.43-1, 8.0.43-1.0.1
mysql-devel - addressed in versions 8.0.43-1, 8.0.43-1.0.1
mysql-common - addressed in versions 8.0.43-1, 8.0.43-1.0.1
mysql - addressed in versions 8.0.43-1, 8.0.43-1.0.1
mysql-server - update to 8.0.43-1
mysql - update to 8.0.43-1
mysql-common - update to 8.0.43-1
mysql-config - update to 8.0.43-1
mysql-debuginfo - update to 8.0.43-1
mysql-debugsource - update to 8.0.43-1
mysql-devel - update to 8.0.43-1
mysql-errmsg - update to 8.0.43-1
mysql-help - update to 8.0.43-1
mysql-libs - update to 8.0.43-1
mysql-test - update to 8.0.43-1
mysql (Red Hat package) - update to 8.0.43-1.el9_6
mysql8.4 (Red Hat package) - update to 8.4.6-2.el10_0
Guardium Data Protection - update to 11.0p575

• https://www.oracle.com/security-alerts/cpujul2025.html

• Multiple vulnerabilities in MySQL Server
• Ubuntu update for mysql-8.0
• openEuler update for mysql
• Red Hat Enterprise Linux 9 update for the mysql:8.4 module
• Anolis OS update for mysql
• Red Hat Enterprise Linux 8 update for the mysql:8.0 module
• Red Hat Enterprise Linux 9 update for mysql
• Ubuntu update for mysql-8.0
• Anolis OS update for mysql:8.0 module
• Red Hat Enterprise Linux 10 update for multiple packages
• Multiple vulnerabilities in IBM Guardium Data Protection