Description
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Parser). Supported versions that are affected are 5.5.61 and prior, 5.6.41 and prior, 5.7.23 and prior and 8.0.12 and prior. 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 3.0 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Oracle | MySQL Server | 5.5.61 and prior, 5.6.41 and prior, 5.7.23 and prior, 8.0.12 and prior | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | mysql-5.5 | 5.5.62-0+deb8u1 | DLA-1566-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | mysql-5.7 | 5.7.24-0ubuntu0.18.04.1 | USN-3799-1 |
| Ubuntu 16.04 LTS | mysql-5.7 | 5.7.24-0ubuntu0.16.04.1 | USN-3799-1 |
| Ubuntu 16.04 LTS | percona-server-5.6 +1 | No fix yet | — |
| Ubuntu 14.04 LTS | mysql-5.5 | 5.5.62-0ubuntu0.14.04.1 | USN-3799-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | mariadb +7 | 1:5.5.60-1.el7_5 | RHSA-2018:2439 |
| RHEL 3 | rh-mariadb102-galera | 25.3.25-1.el6 | RHSA-2019:1258 |
| RHEL 3 | rh-mariadb102-mariadb +19 | 1:10.2.22-1.el6 | RHSA-2019:1258 |
| RHEL 3 | rh-mysql57-mysql +6 | 5.7.24-1.el7 | RHSA-2018:3655 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | mysql | 5.5.62-0.39.18.1 | SUSE-SU-2018:3542-1 |
| SLES 11 SP3 | mysql | 5.5.62-0.39.18.1 | SUSE-SU-2018:3542-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 11 SP4 | mysql | 5.5.62-0.39.18.1 | SUSE-SU-2018:3542-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | mysql | 5.5.62-0.39.18.1 | SUSE-SU-2018:3542-1 |
Advisories 6
- RHSA-2019:1258 Red Hat Security Advisory: rh-mariadb102-mariadb and rh-mariadb102-galera security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2018:3655 Red Hat Security Advisory: rh-mysql57-mysql security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2018:2439 Red Hat Security Advisory: mariadb security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- USN-3799-1 mysql-5.5, mysql-5.7 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-1566-1 mysql-5.5 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2018:3542-1 Security update for mysql SUSE / openSUSE Security Updates · Feb 4, 2026
References
- USN-3799-2 vendor-advisory
- 1041888 vdb-entry
- RHSA-2018:3655 vendor-advisory
- USN-3799-1 vendor-advisory
- [debian-lts-announce] 20181105 [SECURITY] [DLA 1566-1] mysql-5.5 security update mailing-list
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- https://security.netapp.com/advisory/ntap-20181018-0002/
- 105610 vdb-entry
- RHSA-2019:1258 vendor-advisory