Bug 2008606 (CVE-2021-3828) - CVE-2021-3828 python-nltk: ReDoS vulnerability in Corpus Reader
Summary: CVE-2021-3828 python-nltk: ReDoS vulnerability in Corpus Reader
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-3828
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2008607
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-09-28 16:36 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-09-28 18:21 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2021-09-28 18:21:12 UTC
Embargoed:

Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2021-09-28 16:36:36 UTC 
nltk is vulnerable to Inefficient Regular Expression Complexity

Reference:
https://huntr.dev/bounties/d19aed43-75bc-4a03-91a0-4d0bb516bc32

Upstream patch:
https://github.com/nltk/nltk/commit/277711ab1dec729e626b27aab6fa35ea5efbd7e6
Comment 1 Guilherme de Almeida Suckevicz 2021-09-28 16:36:52 UTC 
Created python-nltk tracking bugs for this issue:

Affects: fedora-all [bug 2008607]
Comment 2 Product Security DevOps Team 2021-09-28 18:21:12 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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