Use-after-free in MariaDB - CVE-2021-46669
Published: May 31, 2022 / Updated: May 31, 2022
Vulnerability identifier: #VU63827
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-46669
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Debian
Affected software:
MariaDB
MariaDB
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a use-after-free error in the convert_const_to_int() function when processing BIGINT data type. A remote attacker can trigger use-after-free error and perform a denial of service attack.
How to mitigate CVE-2021-46669
Install updates from vendor's website.