Medium severity6.5NVD Advisory· Published Apr 21, 2026· Updated Jun 17, 2026
CVE-2026-22009
CVE-2026-22009
Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Affected products
26cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*range: >=8.0.0,<=8.0.45
- (no CPE)range: 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
- Range: 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
- osv-coords23 versionspkg:rpm/almalinux/mecabpkg:rpm/almalinux/mecab-develpkg:rpm/almalinux/mecab-ipadicpkg:rpm/almalinux/mecab-ipadic-EUCJPpkg:rpm/almalinux/mysqlpkg:rpm/almalinux/mysql-commonpkg:rpm/almalinux/mysql-develpkg:rpm/almalinux/mysql-errmsgpkg:rpm/almalinux/mysql-libspkg:rpm/almalinux/mysql-serverpkg:rpm/almalinux/mysql-testpkg:rpm/almalinux/mysql-test-datapkg:rpm/almalinux/mysql8.4pkg:rpm/almalinux/mysql8.4-commonpkg:rpm/almalinux/mysql8.4-develpkg:rpm/almalinux/mysql8.4-errmsgpkg:rpm/almalinux/mysql8.4-libspkg:rpm/almalinux/mysql8.4-serverpkg:rpm/almalinux/mysql8.4-testpkg:rpm/almalinux/mysql8.4-test-datapkg:rpm/almalinux/perl-DBD-MySQLpkg:rpm/almalinux/rapidjson-develpkg:rpm/almalinux/rapidjson-doc
< 0.996-3.module_el9.6.0+152+8cbce00c.4+ 22 more
- (no CPE)range: < 0.996-3.module_el9.6.0+152+8cbce00c.4
- (no CPE)range: < 0.996-3.module_el9.6.0+152+8cbce00c.4
- (no CPE)range: < 2.7.0.20070801-24.module_el9.6.0+152+8cbce00c
- (no CPE)range: < 2.7.0.20070801-24.module_el9.6.0+152+8cbce00c
- (no CPE)range: < 8.0.46-1.el9_8
- (no CPE)range: < 8.0.46-1.el9_8
- (no CPE)range: < 8.0.46-1.el9_8
- (no CPE)range: < 8.0.46-1.el9_8
- (no CPE)range: < 8.0.46-1.el9_8
- (no CPE)range: < 8.0.46-1.el9_8
- (no CPE)range: < 8.0.46-1.el9_8
- (no CPE)range: < 8.4.9-1.module_el9.8.0+263+ff5e95cf
- (no CPE)range: < 8.4.9-1.el10_2.alma.1
- (no CPE)range: < 8.4.9-1.el10_2.alma.1
- (no CPE)range: < 8.4.9-1.el10_2.alma.1
- (no CPE)range: < 8.4.9-1.el10_2.alma.1
- (no CPE)range: < 8.4.9-1.el10_2.alma.1
- (no CPE)range: < 8.4.9-1.el10_2.alma.1
- (no CPE)range: < 8.4.9-1.el10_2.alma.1
- (no CPE)range: < 8.4.9-1.el10_2.alma.1
- (no CPE)range: < 4.053-3.module_el9.8.0+235+a38ba90c
- (no CPE)range: < 1.1.0-19.module_el9.6.0+152+8cbce00c
- (no CPE)range: < 1.1.0-19.module_el9.6.0+152+8cbce00c
Patches
Vulnerability mechanics
References
1- www.oracle.com/security-alerts/cpuapr2026.htmlnvdVendor Advisory
News mentions
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