CVE-2026-35549 | BDVDB-2026-324741 Detail

MariaDBMariaDB

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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-789 Memory Allocation with Excessive Size Value

References#

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

Exploit#

No public exploit known

History#

Version 12026-04-03Record published in the CVE List.

Published

Published: 2026-04-03
Last modified: 2026-04-03

Vendor information

Vendor: MariaDB
Product: MariaDB

All MariaDB vulnerabilities

Score

6.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 18.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 11.4.10
Fixed
11.4.10
Vulnerable
>= 11.5.0 and < 11.8.6
Fixed
11.8.6
Vulnerable
>= 12.0.0 and < 12.2.2
Fixed
12.2.2

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.5 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).