Marked up to 4.0.9 Regular Expression resource consumption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Marked up to 4.0.9. This issue affects some unknown processing of the component Regular Expression Handler. The manipulation results in resource consumption. This vulnerability was named CVE-2022-21681. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.
Details
A vulnerability classified as problematic has been found in Marked up to 4.0.9. Affected is some unknown functionality of the component Regular Expression Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability.
The weakness was presented 01/14/2022 as GHSA-5v2h-r2cx-5xgj. The advisory is available at github.com. This vulnerability is traded as CVE-2022-21681 since 11/16/2021. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.
Upgrading to version 4.0.10 eliminates this vulnerability. Applying the patch 8f806573a3f6c6b7a39b8cdb66ab5ebb8d55a5f5 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-0473). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍
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 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Resource consumptionCWE: CWE-400 / 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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Marked 4.0.10
Patch: 8f806573a3f6c6b7a39b8cdb66ab5ebb8d55a5f5
Timeline
11/16/2021 🔍01/14/2022 🔍
01/14/2022 🔍
03/09/2026 🔍
Sources
Advisory: GHSA-5v2h-r2cx-5xgjStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2022-21681 (🔍)
GCVE (CVE): GCVE-0-2022-21681
GCVE (VulDB): GCVE-100-190458
EUVD: 🔍
Entry
Created: 01/14/2022 20:53Updated: 03/09/2026 16:43
Changes: 01/14/2022 20:53 (51), 01/17/2022 21:19 (2), 03/09/2026 16:43 (15)
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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