#VU63529 Use-after-free in MariaDB


Published: 2022-05-23

Vulnerability identifier: #VU63529

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-27447

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MariaDB
Server applications / Database software

Vendor: MariaDB Foundation

Description

The vulnerability allows a remote user to perform a denial of service attack.

The vulnerability exists due to use-after-free error via the Binary_string::free_buffer() function in the /sql/sql_string.h component. A remote user can send specially crafted data and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MariaDB: 10.2.0 - 10.2.41, 10.3.0 - 10.3.34, 10.4.0 - 10.4.24, 10.5.0 - 10.5.15, 10.6.0 - 10.6.7, 10.9.0, 10.7.0 - 10.7.3


CPE

External links
http://jira.mariadb.org/browse/MDEV-28099


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability