CVE-2021-27291 (High) detected in Pygments-2.5.2-py2.py3-none-any.whl
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CVE-2021-27291 - High Severity Vulnerability
Vulnerable Library - Pygments-2.5.2-py2.py3-none-any.whl
Pygments is a syntax highlighting package written in Python.
Library home page: https://files.pythonhosted.org/packages/be/39/32da3184734730c0e4d3fa3b2b5872104668ad6dc1b5a73d8e477e5fe967/Pygments-2.5.2-py2.py3-none-any.whl
Path to dependency file: /NVStatsRecorder
Path to vulnerable library: /NVStatsRecorder,/NVStatsRecorder/requirements.txt,/requirements.txt
Dependency Hierarchy:
- ❌ Pygments-2.5.2-py2.py3-none-any.whl (Vulnerable Library)
Found in base branch: master
Vulnerability Details
In pygments 1.1+, fixed in 2.7.4, the lexers used to parse programming languages rely heavily on regular expressions. Some of the regular expressions have exponential or cubic worst-case complexity and are vulnerable to ReDoS. By crafting malicious input, an attacker can cause a denial of service.
Publish Date: 2021-03-17
URL: CVE-2021-27291
CVSS 3 Score Details (7.5)
Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
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