CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2021-3842
High (7.5). EPSS 1.6% chance of exploitation in the next 30 days. Fixed in nltk 3.6.6.
nltk is vulnerable to Inefficient Regular Expression Complexity
Severity
- EPSS
- 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
- CWE
- CWE-1333
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- fedoraproject:fedora
- nltk:nltk
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-rqjh-jp2r-59cj | PyPI | nltk | <3.6.6 | 3.6.6 |
| PYSEC-2022-5 | PyPI | nltk | <3.6.6 | 3.6.6 |