Oracle MySQL Server up to 5.7.35/8.0.26 cURL denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.4 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in Oracle MySQL Server up to 5.7.35/8.0.26. This issue affects some unknown processing of the component cURL. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2021-22926. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as critical, has been found in Oracle MySQL Server up to 5.7.35/8.0.26 (Database Software). This issue affects some unknown processing of the component cURL. 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 weakness was published 10/19/2021 as Oracle Critical Patch Update Advisory - October 2021. The advisory is shared at oracle.com. The identification of this vulnerability is CVE-2021-22926. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
- 5.7.0
- 5.7.1
- 5.7.2
- 5.7.3
- 5.7.4
- 5.7.5
- 5.7.6
- 5.7.7
- 5.7.8
- 5.7.9
- 5.7.10
- 5.7.11
- 5.7.12
- 5.7.13
- 5.7.14
- 5.7.15
- 5.7.16
- 5.7.17
- 5.7.18
- 5.7.19
- 5.7.20
- 5.7.21
- 5.7.22
- 5.7.23
- 5.7.24
- 5.7.25
- 5.7.26
- 5.7.27
- 5.7.28
- 5.7.29
- 5.7.30
- 5.7.31
- 5.7.32
- 5.7.33
- 5.7.34
- 5.7.35
- 8.0.0
- 8.0.1
- 8.0.2
- 8.0.3
- 8.0.4
- 8.0.5
- 8.0.6
- 8.0.7
- 8.0.8
- 8.0.9
- 8.0.10
- 8.0.11
- 8.0.12
- 8.0.13
- 8.0.14
- 8.0.15
- 8.0.16
- 8.0.17
- 8.0.18
- 8.0.19
- 8.0.20
- 8.0.21
- 8.0.22
- 8.0.23
- 8.0.24
- 8.0.25
- 8.0.26
License
Website
- Vendor: https://www.oracle.com
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
ADP CISA Base Score: 7.5
ADP CISA Vector: 🔍
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
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 |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
01/06/2021 🔍10/19/2021 🔍
10/19/2021 🔍
10/20/2021 🔍
05/29/2026 🔍
Sources
Vendor: oracle.comAdvisory: Oracle Critical Patch Update Advisory - October 2021
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-22926 (🔍)
GCVE (CVE): GCVE-0-2021-22926
GCVE (VulDB): GCVE-100-184925
Entry
Created: 10/20/2021 08:10Updated: 05/29/2026 12:16
Changes: 10/20/2021 08:10 (40), 10/26/2021 07:57 (3), 10/26/2021 08:03 (17), 05/29/2026 12:16 (25)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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