Vulnerability CVE-2021-3842
Published: 2022-01-04

Description:
nltk is vulnerable to Inefficient Regular Expression Complexity

Type:

CWE-1333

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
NLTK -> NLTK 
Fedoraproject -> Fedora 
Debian -> Debian linux 

 References:
https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a
https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d
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