Unspecified vulnerability in Oracle MySQL 5.5.46 and earlier and MariaDB before 5.5.47, 10.0.x before 10.0.23, and 10.1.x before 10.1.10 all
Unspecified vulnerability in Oracle MySQL 5.5.46 and earlier and MariaDB before 5.5.47, 10.0.x before 10.0.23, and 10.1.x before 10.1.10 allows remote authenticated users to affect availability via unknown vectors related to Optimizer.
- Published
- Jan 20, 2016
- Updated
- Jun 16, 2026
- EPSS
- 4.2% · 91th percentile
- CWE
- —
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Report tools
Action score
17
Monitor
Low priority for now.
- CVSS
- 16 / 40 · 4.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 4.2%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| mariadb | mariadb | cpe:2.3:a:mariadb:mariadb |
| redhat | enterprise linux desktop | cpe:2.3:o:redhat:enterprise_linux_desktop |
| redhat | enterprise linux hpc node | cpe:2.3:o:redhat:enterprise_linux_hpc_node |
| redhat | enterprise linux hpc node eus | cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus |
| redhat | enterprise linux server | cpe:2.3:o:redhat:enterprise_linux_server |
| redhat | enterprise linux server aus | cpe:2.3:o:redhat:enterprise_linux_server_aus |
| redhat | enterprise linux server eus | cpe:2.3:o:redhat:enterprise_linux_server_eus |
| redhat | enterprise linux workstation | cpe:2.3:o:redhat:enterprise_linux_workstation |
| canonical | ubuntu linux | cpe:2.3:o:canonical:ubuntu_linux |
| oracle | mysql | cpe:2.3:a:oracle:mysql |
| opensuse | leap | cpe:2.3:o:opensuse:leap |
| oracle | linux | cpe:2.3:o:oracle:linux |
and 2 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- oracle mysqlup to 5.5.46 inclusive
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:6.0 | mysql-5.5 | before 5.5.47-0+deb6u1 | 5.5.47-0+deb6u1 |
| Debian:7 | mysql-5.5 | before 5.5.47-0+deb7u1 | 5.5.47-0+deb7u1 |
| Debian:8 | mariadb-10.0 | before 10.0.23-0+deb8u1 | 10.0.23-0+deb8u1 |
| Debian:8 | mysql-5.5 | before 5.5.47-0+deb8u1 | 5.5.47-0+deb8u1 |
| Red Hat:rhel_software_collections:2::el6 | mysql55-mysql | before 0:5.5.50-1.el6 | 0:5.5.50-1.el6 |
| Red Hat:rhel_software_collections:2::el6 | mysql55-mysql-bench | before 0:5.5.50-1.el6 | 0:5.5.50-1.el6 |
| Red Hat:rhel_software_collections:2::el6 | mysql55-mysql-debuginfo | before 0:5.5.50-1.el6 | 0:5.5.50-1.el6 |
| Red Hat:rhel_software_collections:2::el6 | mysql55-mysql-devel | before 0:5.5.50-1.el6 | 0:5.5.50-1.el6 |
| Red Hat:rhel_software_collections:2::el6 | mysql55-mysql-libs | before 0:5.5.50-1.el6 | 0:5.5.50-1.el6 |
| Red Hat:rhel_software_collections:2::el6 | mysql55-mysql-server | before 0:5.5.50-1.el6 | 0:5.5.50-1.el6 |
| Red Hat:rhel_software_collections:2::el6 | mysql55-mysql-test | before 0:5.5.50-1.el6 | 0:5.5.50-1.el6 |
| Red Hat:rhel_software_collections:2::el7 | mysql55-mysql | before 0:5.5.50-1.el7 | 0:5.5.50-1.el7 |
| Red Hat:rhel_software_collections:2::el7 | mysql55-mysql-bench | before 0:5.5.50-1.el7 | 0:5.5.50-1.el7 |
| Red Hat:rhel_software_collections:2::el7 | mysql55-mysql-debuginfo | before 0:5.5.50-1.el7 | 0:5.5.50-1.el7 |
| Red Hat:rhel_software_collections:2::el7 | mysql55-mysql-devel | before 0:5.5.50-1.el7 | 0:5.5.50-1.el7 |
| Red Hat:rhel_software_collections:2::el7 | mysql55-mysql-libs | before 0:5.5.50-1.el7 | 0:5.5.50-1.el7 |
| Red Hat:rhel_software_collections:2::el7 | mysql55-mysql-server | before 0:5.5.50-1.el7 | 0:5.5.50-1.el7 |
| Red Hat:rhel_software_collections:2::el7 | mysql55-mysql-test | before 0:5.5.50-1.el7 | 0:5.5.50-1.el7 |
| SUSE:Linux Enterprise Desktop 12 | mariadb | before 10.0.25-20.6.1 | 10.0.25-20.6.1 |
| SUSE:Linux Enterprise Desktop 12 SP1 | mariadb | before 10.0.25-6.1 | 10.0.25-6.1 |
| SUSE:Linux Enterprise Software Development Kit 11 SP3 | mysql | before 5.5.47-0.17.1 | 5.5.47-0.17.1 |
Same product
mariadb: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-49261MariaDB server has unsafe parameter handling in `wsrep_notify_cmd`40Plan
- CVE-2023-26785MariaDB v10.5 was discovered to contain a remote code execution (RCE) vulnerability via UDF Code in a Shared Object File, followed by a "cre40Plan
- CVE-2021-27928A remote code execution issue was discovered in MariaDB 10.2 before 10.2.37, 10.3 before 10.3.28, 10.4 before 10.4.18, and 10.5 before 10.5.40Plan
- CVE-2026-32710Heap-based Buffer Overflow in MariaDB39Monitor
- CVE-2020-15180A flaw was found in the mysql-wsrep component of mariadb.38Monitor
- CVE-2017-15365sql/event_data_objects.cc in MariaDB before 10.1.30 and 10.2.x before 10.2.10 and Percona XtraDB Cluster before 5.6.37-26.21-3 and 5.7.x bef36Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:mariadb-10.0 | 10.0.23-0+deb8u1 · Debian:8 | Package registry (OSV) |
| debian:mysql-5.5 | 5.5.47-0+deb6u1 · Debian:6.0 | Package registry (OSV) |
| red hat:mysql55-mysql | 0:5.5.50-1.el6 · Red Hat:rhel_software_collections:2::el6 | Package registry (OSV) |
| red hat:mysql55-mysql-bench | 0:5.5.50-1.el6 · Red Hat:rhel_software_collections:2::el6 | Package registry (OSV) |
| red hat:mysql55-mysql-debuginfo | 0:5.5.50-1.el6 · Red Hat:rhel_software_collections:2::el6 | Package registry (OSV) |
| red hat:mysql55-mysql-devel | 0:5.5.50-1.el6 · Red Hat:rhel_software_collections:2::el6 | Package registry (OSV) |
| red hat:mysql55-mysql-libs | 0:5.5.50-1.el6 · Red Hat:rhel_software_collections:2::el6 | Package registry (OSV) |
| red hat:mysql55-mysql-server | 0:5.5.50-1.el6 · Red Hat:rhel_software_collections:2::el6 | Package registry (OSV) |
| red hat:mysql55-mysql-test | 0:5.5.50-1.el6 · Red Hat:rhel_software_collections:2::el6 | Package registry (OSV) |
| suse:mariadb | 10.0.25-20.6.1 · SUSE:Linux Enterprise Desktop 12 | Package registry (OSV) |
| suse:mysql | 5.5.47-0.17.1 · SUSE:Linux Enterprise Software Development Kit 11 SP3 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- P
Weakness class (CWE)
—
CVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00033.html
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00034.html
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00051.html
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00053.html
- rhn.redhat.com/errata/RHSA-2016-0534.html
- rhn.redhat.com/errata/RHSA-2016-1480.html
- rhn.redhat.com/errata/RHSA-2016-1481.html
- www.debian.org/security/2016/dsa-3453
- www.debian.org/security/2016/dsa-3459
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- www.securityfocus.com/bid/81176
- www.securitytracker.com/id/1034708
- www.ubuntu.com/usn/USN-2881-1
- access.redhat.com/errata/RHSA-2016:1132
- mariadb.com/kb/en/mariadb/mariadb-10110-release-notes/
- mariadb.com/kb/en/mariadb/mariadb-5547-release-notes/
- mariadb.com/kb/en/mdb-10023-rn/
Vendor advisories and official records. Exploit/PoC links are deliberately left out.