MariaDB up to 10.6.3 /sql/sql_type.cc VDec::VDec use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.3 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in MariaDB up to 10.6.3. Affected by this issue is the function VDec::VDec of the file /sql/sql_type.cc. Such manipulation leads to use after free.
This vulnerability is referenced as CVE-2022-27456. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability was found in MariaDB up to 10.6.3 (Database Software) and classified as critical. Affected by this issue is the function VDec::VDec of the file /sql/sql_type.cc. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.
The weakness was published 04/14/2022. The advisory is available at jira.mariadb.org. This vulnerability is handled as CVE-2022-27456 since 03/21/2022. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/22/2025).
The vulnerability scanner Nessus provides a plugin with the ID 236542 (Alibaba Cloud Linux 3 : 0151: mariadb:10.5 (ALINUX3-SA-2022:0151)), which helps to determine the existence of the flaw in a target environment.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Tenable (236542). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 236542
Nessus Name: Alibaba Cloud Linux 3 : 0151: mariadb:10.5 (ALINUX3-SA-2022:0151)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
03/21/2022 🔍04/14/2022 🔍
04/14/2022 🔍
05/22/2025 🔍
Sources
Advisory: jira.mariadb.orgStatus: Confirmed
CVE: CVE-2022-27456 (🔍)
GCVE (CVE): GCVE-0-2022-27456
GCVE (VulDB): GCVE-100-197330
Entry
Created: 04/14/2022 17:06Updated: 05/22/2025 00:16
Changes: 04/14/2022 17:06 (38), 04/19/2022 18:41 (1), 05/22/2025 00:16 (16)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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