CVE-2022-40896
pygments: ReDoS in pygments
Severity Score
5.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A ReDoS issue was discovered in pygments/lexers/smithy.py in pygments through 2.15.0 via SmithyLexer.
A denial-of-service vulnerability related to regular expressions was discovered in Pygments, specifically in the file pygments/lexers/smithy.py. An attacker could exploit this flaw by sending a carefully crafted request, leading to a denial-of-service situation.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-09-19 CVE Reserved
- 2023-07-19 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2024-08-20 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-434: Unrestricted Upload of File with Dangerous Type
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| https://github.com/pygments/pygments/blob/master/pygments/lexers/smithy.py#L61 | Third Party Advisory | |
| https://pypi.org/project/Pygments | Product |
| URL | Date | SRC |
|---|---|---|
| https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages-part-2 | 2024-08-03 |
| URL | Date | SRC |
|---|