CVE-2026-35549
Published:April 03, 2026
Updated:May 16, 2026
An issue was discovered in MariaDB Server before 11.4.10, 11.5.x through 11.8.x before 11.8.6, and 12.x before 12.2.2. If the caching_sha2_password authentication plugin is installed, and some user accounts are configured to use it, a large packet can crash the server because sha256_crypt_r uses alloca.
Affected Packages
https://github.com/MariaDB/server.git (GITHUB):
Affected version(s) >=mariadb-galera-5.5.25 <mariadb-11.4.10Fix Suggestion:
Update to version mariadb-11.4.10https://github.com/MariaDB/server.git (GITHUB):
Affected version(s) >=mariadb-12.0.1 <mariadb-12.2.2Fix Suggestion:
Update to version mariadb-12.2.2https://github.com/MariaDB/server.git (GITHUB):
Affected version(s) >=mariadb-11.5.0 <mariadb-11.8.6Fix Suggestion:
Update to version mariadb-11.8.6Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Memory Allocation with Excessive Size Value
EPSS
Base Score:
0.06