Medium severity6.5NVD Advisory· Published Apr 21, 2026· Updated Apr 23, 2026
CVE-2026-34271
CVE-2026-34271
Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin). 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
21- osv-coords20 versionspkg:rpm/almalinux/mecabpkg:rpm/almalinux/mecab-develpkg:rpm/almalinux/mecab-ipadicpkg:rpm/almalinux/mecab-ipadic-EUCJPpkg:rpm/almalinux/mysqlpkg: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/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-data
< 0.996-2.module_el8.10.0+3965+b415b607+ 19 more
- (no CPE)range: < 0.996-2.module_el8.10.0+3965+b415b607
- (no CPE)range: < 0.996-2.module_el8.6.0+3340+d764b636
- (no CPE)range: < 2.7.0.20070801-17.module_el8.10.0+3965+b415b607
- (no CPE)range: < 2.7.0.20070801-17.module_el8.10.0+3965+b415b607
- (no CPE)range: < 8.0.46-1.el9_8
- (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: < 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_el8.10.0+4193+cbb8e728
Patches
Vulnerability mechanics
References
1- www.oracle.com/security-alerts/cpuapr2026.htmlnvdVendor Advisory
News mentions
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