Oracle MySQL Cluster 8.0.34 and prior/8.1.0 double free

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Oracle MySQL Cluster 8.0.34 and prior/8.1.0. Affected by this issue is some unknown functionality. Such manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2023-39975. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Oracle MySQL Cluster 8.0.34 and prior/8.1.0 (Database Software). It has been rated as critical. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 01/16/2024 as Oracle Critical Patch Update Advisory - January 2024. The advisory is shared for download at oracle.com. This vulnerability is handled as CVE-2023-39975. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/26/2026).

A possible mitigation has been published immediately after the disclosure of the vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

ADP CISA Base Score: 8.8
ADP CISA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

08/07/2023 🔍
01/16/2024 +162 days 🔍
01/16/2024 +0 days 🔍
01/17/2024 +1 days 🔍
02/26/2026 +771 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - January 2024
Status: Confirmed

CVE: CVE-2023-39975 (🔍)
GCVE (CVE): GCVE-0-2023-39975
GCVE (VulDB): GCVE-100-251252

Entryinfo

Created: 01/17/2024 09:10
Updated: 02/26/2026 08:40
Changes: 01/17/2024 09:10 (37), 02/09/2024 20:08 (3), 02/09/2024 20:15 (1), 02/26/2026 08:40 (35)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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