A vulnerability classified as problematic has been found in Oracle MySQL Server up to 5.6.26. This affects an unknown part of the component Optimizer. The manipulation leads to denial of service.
This vulnerability is uniquely identified as CVE-2015-4800. It is possible to initiate the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.
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CVE-2015-4800 | Oracle MySQL Server up to 5.6.26 Optimizer denial of service (BID-77216 / ID 86547)
A vulnerability classified as problematic has been found in Oracle MySQL Server up to 5.6.26. This affects an unknown part of the component Optimizer. The manipulation leads to denial of service. This vulnerability is uniquely identified…
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IoC Intelligence (1 Indikatoren)
CVE-2015-4800
CTI Threat Relationship Graph2 Knoten / 1 Relationen
IR-PLAYBOOK-VULN-REMEDIATION
MEDIUMSOC Incident Playbook: Vulnerability Remediation & Verification
1-Click Detection Engineering: Sigma & YARA Rules
SOC Readytitle: Detect Exploitation - CVE-2015-4800 | Oracle MySQL Server up to 5.6.26 Optimizer denial of service (BID-77216 / ID 86547)
id: 7fa67ca6-0f52-4ece-824d-b5274e3d4e38
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "CVE-2015-4800 | Oracle MySQL S" ascii wide
condition:
any of them
}
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