Server Crash Vulnerability in MariaDB Products
CVE-2026-35549

6.5MEDIUM

Key Information:

Vendor

Mariadb

Status
Mariadb
Vendor
CVE Published:
3 April 2026

What is CVE-2026-35549?

A vulnerability exists in MariaDB Server, impacting versions prior to 11.4.10, specific 11.5.x versions before 11.8.6, and 12.x versions prior to 12.2.2. When the caching_sha2_password authentication plugin is used, an excessively large packet can cause the server to crash due to the improper handling of memory allocation within the sha256_crypt_r function.

Affected Version(s)

MariaDB 0 < 11.4.10

MariaDB 11.5.0 < 11.8.6

MariaDB 12.0.0 < 12.2.2

References

https://jira.mariadb.org/browse/MDEV-38365

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.