7.5

CVE-2021-3842

Exploit

Inefficient Regular Expression Complexity in nltk/nltk

nltk is vulnerable to Inefficient Regular Expression Complexity
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Nltk ≫ Nltk Version < 3.6.6
Debian ≫ Debian Linux Version 9.0
Debian ≫ Debian Linux Version 10.0
Debian ≫ Debian Linux Version 11.0
Fedoraproject ≫ Fedora Version 35
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.46% 0.704
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
security@huntr.dev 7.5 3.9 3.6
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-1333 Inefficient Regular Expression Complexity

The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.

https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d
Patch
Third Party Advisory
https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a
Patch
Third Party Advisory
Exploit
Issue Tracking