Bug#995226: nltk is vulnerable to Inefficient Regular Expression Complexity

[Neil Williams]

Package: nltk
X-Debbugs-CC: team at security.debian.org
Severity: important
Tags: security

Hi,

The following vulnerability was published for nltk.

CVE-2021-3828[0]:
| nltk is vulnerable to Inefficient Regular Expression Complexity


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2021-3828
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3828

Please adjust the affected versions in the BTS as needed.

Fixed upstream:
https://github.com/nltk/nltk/commit/277711ab1dec729e626b27aab6fa35ea5efbd7e6
https://github.com/nltk/nltk/pull/2816

Current vulnerable version in unstable:
https://sources.debian.org/src/nltk/3.5-1/nltk/corpus/reader/comparative_sents.py/#L48

-- 
Neil Williams
=============
https://linux.codehelp.co.uk/
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