Improper input validation in MySQL Server - CVE-2025-21555

Vulnerability identifier: #VU103183

CSH Severity: Medium

CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-21555

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote privileged user to damange or delete data.

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to damange or delete data.

MySQL Server
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
openEuler
Ubuntu
mecab
mecab-ipadic-EUCJP
mecab-ipadic
mysql-server-8.0 (Ubuntu package)
mysql-server
mysql-test
mysql-libs
mysql-errmsg
mysql-devel
mysql
mysql-debugsource
mysql-debuginfo
mysql-config
mysql-common
mysql-help
mysql (Red Hat package)
Dell EMC Storage Monitoring and Reporting (SMR)
Storage Resource Manager

Install updates from vendor's website.

MySQL Server - addressed in versions 8.0.41, 8.4.4, 9.2.0
mecab - update to 0.996-2
mecab-ipadic-EUCJP - update to 2.7.0.20070801-17.0.1
mecab-ipadic - update to 2.7.0.20070801-17.0.1
Dell EMC Storage Monitoring and Reporting (SMR) - addressed in versions 5.0.2.2, 5.1.0.0
Storage Resource Manager - addressed in versions 5.0.2.2, 5.1.0.0
mysql-server-8.0 (Ubuntu package) - addressed in versions 8.0.41-0ubuntu0.20.04.1, 8.0.41-0ubuntu0.22.04.1, 8.0.41-0ubuntu0.24.04.1, 8.0.41-0ubuntu0.24.10.1
mysql-server - update to 8.0.41-1
mysql-test - update to 8.0.41-1
mysql-libs - update to 8.0.41-1
mysql-errmsg - update to 8.0.41-1
mysql-devel - update to 8.0.41-1
mysql - update to 8.0.41-1
mysql-debugsource - update to 8.0.41-1
mysql-debuginfo - update to 8.0.41-1
mysql-config - update to 8.0.41-1
mysql-common - update to 8.0.41-1
mysql-help - update to 8.0.41-1
mysql-devel - update to 8.0.41-1.0.1
mysql-test - update to 8.0.41-1.0.1
mysql-server - update to 8.0.41-1.0.1
mysql-libs - update to 8.0.41-1.0.1
mysql-errmsg - update to 8.0.41-1.0.1
mysql-common - update to 8.0.41-1.0.1
mysql - update to 8.0.41-1.0.1
mysql (Red Hat package) - update to 8.0.41-2.el9_5

• https://www.oracle.com/security-alerts/cpujan2025.html

• Multiple vulnerabilities in MySQL Server
• Ubuntu update for mysql-8.0
• openEuler update for mysql
• Red Hat Enterprise Linux 9 update for mysql
• Red Hat Enterprise Linux 8 update for the mysql:8.0 module
• Anolis OS update for mysql:8.0 module
• Multiple vulnerabilities in Dell Storage Resource Manager (SRM) and Dell Storage Monitoring and Reporting (SMR)
• Multiple vulnerabilities in Dell Storage Resource Manager (SRM) and Dell Storage Monitoring and Reporting (SMR)