Description
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 5.6.34 and earlier and 5.7.16 and earlier. Difficult to exploit 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 v3.0 Base Score 4.4 (Availability impacts).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Oracle | MySQL Server | 5.6.34 and earlier, 5.7.16 and earlier | — |
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | mysql-5.7 | 5.7.17-0ubuntu0.16.04.1 | USN-3174-1 |
| Ubuntu 16.04 LTS | percona-server-5.6 +1 | No fix yet | — |
| Ubuntu 14.04 LTS | mysql-5.5 | 5.5.54-0ubuntu0.14.04.1 | USN-3174-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 2 | rh-mysql56-mysql +7 | 5.6.37-5.el6 | RHSA-2017:2787 |
| RHEL 2 | rh-mysql57-mysql +6 | 5.7.19-6.el6 | RHSA-2017:2886 |
Advisories 3
- RHSA-2017:2886 Red Hat Security Advisory: rh-mysql57-mysql security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2017:2787 Red Hat Security Advisory: rh-mysql56-mysql security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-3174-1 mysql-5.5, mysql-5.7 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
References
- RHSA-2017:2787 vendor-advisory
- GLSA-201702-17 vendor-advisory
- 95557 vdb-entry
- 1037640 vdb-entry
- RHSA-2017:2886 vendor-advisory
- http://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html