CVE-2026-21936
published 2026-01-20CVE-2026-21936: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and…
medium4.9CVSS 3.1
AVNACLPRHUINSUCNINAH
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high 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 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Affected
15 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | mysql-8.0 | < mysql-8.0 8.0.45-1 (sid) | mysql-8.0 8.0.45-1 (sid) |
| oracle | mysql_cluster | 7.6.0 – 7.6.36 | — |
| oracle | mysql_cluster | 8.0.0 – 8.0.44 | — |
| oracle | mysql_cluster | 8.4.0 – 8.4.7 | — |
| oracle | mysql_cluster | 9.0.0 – 9.5.0 | — |
| oracle | mysql_server | 8.0.0 – 8.0.44 | — |
| oracle | mysql_server | 8.4.0 – 8.4.7 | — |
| oracle | mysql_server | 9.0.0 – 9.5.0 | — |
| oracle_corporation | mysql_cluster | 7.6.0 – 7.6.36 | — |
| oracle_corporation | mysql_cluster | 8.0.0 – 8.0.44 | — |
| oracle_corporation | mysql_cluster | 8.4.0 – 8.4.7 | — |
| oracle_corporation | mysql_cluster | 9.0.0 – 9.5.0 | — |
| oracle_corporation | mysql_server | 8.0.0 – 8.0.44 | — |
| oracle_corporation | mysql_server | 8.4.0 – 8.4.7 | — |
| oracle_corporation | mysql_server | 9.0.0 – 9.5.0 | — |
CVSS provenance
nvdv3.14.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
osv4.9MEDIUM