Arbitrary file upload in Pygments
CVE-2022-40896
A ReDoS issue was discovered in pygments/lexers/smithy.py in pygments through 2.15.0 via SmithyLexer.
Vulnerability class: Unrestricted File Upload
EPSS: 0.005 (38.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Pygments
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Product)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Exploit, Patch, Third Party Advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-40896?
- CVE-2022-40896 is a medium-severity vulnerability in Pygments, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.5/10. Published 2023-07-19.
- How severe is CVE-2022-40896?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-40896 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.