Oracle MySQL Server up to 8.0.42/8.4.5/9.3.0 Thread Pooling denial of service

CVSS Meta Temp Score
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CTI Interest Score
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2.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Oracle MySQL Server up to 8.0.42/8.4.5/9.3.0. This affects an unknown function of the component Thread Pooling. The manipulation leads to denial of service. This vulnerability is documented as CVE-2025-50100. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle MySQL Server up to 8.0.42/8.4.5/9.3.0. It has been rated as problematic. This issue affects some unknown processing of the component Thread Pooling. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). Supported versions that are affected are 8.0.0-8.0.42, 8.4.0-8.4.5 and 9.0.0-9.3.0. 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 partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 2.2 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L).

It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2025-50100 since 06/12/2025. The exploitation is known to be difficult. The attack may be initiated remotely. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 244827 (CBL Mariner 2.0 Security Update: mysql (CVE-2025-50100)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (244827), EUVD (EUVD-2025-21480) and CERT Bund (WID-SEC-2025-1567). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Red Hat Enterprise Linux
  • Oracle MySQL
  • Ubuntu Linux
  • Oracle Linux
  • RESF Rocky Linux
  • Xerox FreeFlow Print Server

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.2
VulDB Meta Temp Score: 2.2

VulDB Base Score: 2.2
VulDB Temp Score: 2.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 2.2
CNA Vector (oracle): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 244827
Nessus Name: CBL Mariner 2.0 Security Update: mysql (CVE-2025-50100)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/12/2025 CVE reserved
07/15/2025 +33 days Advisory disclosed
07/15/2025 +0 days VulDB entry created
12/02/2025 +140 days VulDB entry last update

Sourcesinfo

Vendor: oracle.com

Advisory: oracle.com
Status: Confirmed

CVE: CVE-2025-50100 (🔒)
GCVE (CVE): GCVE-0-2025-50100
GCVE (VulDB): GCVE-100-316511
EUVD: 🔒
CERT Bund: WID-SEC-2025-1567 - Oracle MySQL: Mehrere Schwachstellen

Entryinfo

Created: 07/15/2025 22:37
Updated: 12/02/2025 21:06
Changes: 07/15/2025 22:37 (64), 07/17/2025 17:12 (1), 08/07/2025 16:30 (2), 09/18/2025 20:45 (7), 12/02/2025 21:06 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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