CVE-2026-21929

8 documents8 sources
Severity
5.3MEDIUM
EPSS
0.1%
top 83.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 20
Latest updateJan 21

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser). Supported versions that are affected are 9.0.0-9.5.0. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.6 | Impact: 3.6

Affected Packages2 packages

NVDoracle/mysql_server9.0.09.5.0
CVEListV5oracle_corporation/mysql_server9.0.09.5.0

🔴Vulnerability Details

3
GHSA
GHSA-6hm3-9gpx-9f63: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser)2026-01-21
CVEList
CVE-2026-21929: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser)2026-01-20
OSV
CVE-2026-21929: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser)2026-01-20

📋Vendor Advisories

3
Red Hat
mysql: Parser unspecified vulnerability (CPU Jan 2026)2026-01-20
Oracle
Oracle Oracle MySQL Risk Matrix: Server: Parser — CVE-2026-219292026-01-15
Debian
CVE-2026-21929: mysql-8.0 - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pa...2026

🕵️Threat Intelligence

1
Wiz
CVE-2026-21929 Impact, Exploitability, and Mitigation Steps | Wiz