PT-2022-6932 · Mariadb+9 · Mariadb Server+9

Jingzhou Fu · Published 2022-03-16 · Updated 2025-06-10 · CVE-2022-27457

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions MariaDB Server versions 10.6.3 and below

Description The issue is related to an use-after-free in the my mb wc latin1 component at /strings/ctype-latin1.c. This could potentially allow a remote attacker to cause a denial of service.

Recommendations For MariaDB Server versions 10.6.3 and below, consider updating to a version above 10.6.3 to resolve the issue. As a temporary workaround, consider restricting access to the my mb wc latin1 component until a patch is available.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALSA-2022:5826

ALSA-2022:5948

ALT-PU-2022-2360

ALT-PU-2022-2446

ALT-PU-2023-1583

ALT-PU-2023-6462

AZL-9416

BDU:2023-05676

BIT-MARIADB-2022-27457

BIT-MARIADB-MIN-2022-27457

BIT-MYSQL-CLIENT-2022-27457

CESA-2022_5826

CVE-2022-27457

OESA-2022-1681

OPENSUSE-SU-2022_2003-1

OPENSUSE-SU-2022_2561-1

RHSA-2022:5759

RHSA-2022:5826

RHSA-2022:5948

RHSA-2022_5826

RHSA-2022_5948

RHSA-2023:6821

RLSA-2022:5826

RLSA-2022:5948

ROSA-SA-2023-2254

SUSE-RU-2023:3956-1

SUSE-RU-2023:4991-1

SUSE-SU-2022:2003-1

SUSE-SU-2022:2189-1

SUSE-SU-2022:2561-1

USN-5739-1

USN-5739-2

Affected Products

Alt Linux

Almalinux

Centos

Linuxmint

Mariadb Server

Red Hat

Red Os

Rocky Linux

Suse

Ubuntu

References · 650

• 🔥 https://github.com/drago-96/CVE-2022-0778 · Exploit
• 🔥 https://github.com/yywing/cve-2022-0778 · Exploit
• 🔥 https://github.com/jkakavas/CVE-2022-0778-POC · Exploit
• 🔥 https://jira.mariadb.org/browse/MDEV-28098 · Exploit
• https://ubuntu.com/security/CVE-2022-32088 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-32083 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5739-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-27457 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-25032 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-27457 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-27380 · Security Note
• https://bdu.fstec.ru/vul/2023-05676 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-27451 · Security Note
• https://ubuntu.com/security/notices/USN-5739-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-27457 · Vendor Advisory