Vulnerability in Nltk
CVE-2021-3842
nltk is vulnerable to Inefficient Regular Expression Complexity
Vulnerability class: ReDoS (Regular Expression Denial of Service)
EPSS: 0.015 (70.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Nltk
- Nltk Nltk/nltk — versions unspecified
- Debian Debian_linux — versions 9.0, 10.0, 11.0
- Fedoraproject Fedora — versions 35
Weakness classification (CWE)
References
- security@huntr.dev (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory, Issue Tracking)
- security@huntr.dev (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-3842?
- CVE-2021-3842 is a high-severity vulnerability in Nltk, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2022-01-04.
- How severe is CVE-2021-3842?
- High severity. CVSS v3 base score is 7.5 out of 10.