SecuriTricks - CVE-2026-35549

Description

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.

Product(s) Impacted

Vendor	Product	Versions
Mariadb	Mariadb Server	<11.4.10, 11.5., 11.8., <12.2.2

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-789

Memory Allocation with Excessive Size Value

The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	mariadb	mariadb_server	<11.4.10	/	/	/	/	/	/
a	mariadb	mariadb_server	11.5.*	/	/	/	/	/	/
a	mariadb	mariadb_server	11.8.*	<11.8.6	/	/	/	/	/	/
a	mariadb	mariadb_server	<12.2.2	/	/	/	/	/	/

References

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

CVSS Score

6.5 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

View Vector String

Timeline

Published: April 3, 2026, 5:16 a.m.
Last Modified: April 3, 2026, 4:10 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-35549