markdown-it-py up to 2.1.x Command Line Interface denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.0 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in markdown-it-py up to 2.1.x. Affected is an unknown function of the component Command Line Interface. This manipulation causes denial of service. This vulnerability is handled as CVE-2023-26302. It is possible to launch the attack on the local host. There is not any exploit available. You should upgrade the affected component.
Details
A vulnerability classified as problematic was found in markdown-it-py up to 2.1.x. Affected by this vulnerability is some unknown functionality of the component Command Line Interface. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:
Denial of service could be caused to the command line interface of markdown-it-py, before v2.2.0, if an attacker was allowed to use invalid UTF-8 characters as input.
The weakness was released 02/23/2023 as 53ca3e9c2b9e9b295f6abf7f4ad2730a9b70f68c. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-26302 since 02/21/2023. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 2.2.0 eliminates this vulnerability. Applying the patch 53ca3e9c2b9e9b295f6abf7f4ad2730a9b70f68c 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.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.0VulDB Meta Temp Score: 4.0
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CNA Base Score: 3.3
CNA Vector (Canonical Ltd.): 🔍
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: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
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: markdown-it-py 2.2.0
Patch: 53ca3e9c2b9e9b295f6abf7f4ad2730a9b70f68c
Timeline
02/21/2023 🔍02/23/2023 🔍
02/23/2023 🔍
03/11/2025 🔍
Sources
Advisory: 53ca3e9c2b9e9b295f6abf7f4ad2730a9b70f68cStatus: Confirmed
CVE: CVE-2023-26302 (🔍)
GCVE (CVE): GCVE-0-2023-26302
GCVE (VulDB): GCVE-100-221671
Entry
Created: 02/23/2023 08:01Updated: 03/11/2025 22:30
Changes: 02/23/2023 08:01 (52), 03/11/2025 22:30 (26)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.