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Changes:
* Support Python 3.14
* Fix bug in Levenshtein distance when substitution_cost > 2
* Fix bug in Treebank detokeniser re quote ordering
* Fix bug in Jaro similarity for empty strings
* Several security enhancements
* Fix GHSA-rf74-v2fm-23pw: unbounded recursion in JSONTaggedDecoder
* Implement TextTiling vocabulary introduction method (Hearst 1997)
* Fix ALINE feature matrix errors and add comprehensive tests
* Support multiple VerbNet versions, fix longid/shortid regex for VerbNet ids
* Let downloader fallback to md5 when sha256 is unavailable
* Several other minor bugfixes and code cleanups
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>
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Details: https://nvd.nist.gov/vuln/detail/CVE-2026-0846
It has been fixed in version 3.9.3, however NVD tracks it
without CPE/version info.
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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Contains fix for CVE-2026-14009.
Changelog:
* Fix CVE-2025-14009: secure ZIP extraction in nltk.downloader
* Block path traversal/arbitrary reads in nltk.data for protocol-less refs
* Block path traversal/abs paths in corpus readers and FS pointers
* Validate external StanfordSegmenter JARs using SHA256
* Add optional sandbox enforcement for filestring()
* Maintenance: downloader/zipped models, CI/tooling updates
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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The CVEs for this project are tracked under nltk:nltk CPE, which doesn't
match the default python:nltk CPE.
See CVE db query:
sqlite> select * from products where PRODUCT like 'nltk';
CVE-2019-14751|nltk|nltk|||3.4.5|<
CVE-2021-3828|nltk|nltk|||3.6.3|<=
CVE-2021-3842|nltk|nltk|||3.6.6|<
CVE-2021-43854|nltk|nltk|||3.6.5|<
Set the CVE_PRODUCT so it can be used to match CVEs.
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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Changelog:
=============
* Update download checksums to use SHA256 in built index
* Fix percentage escape in new-style string formatting
* replace shortened URLs using goo.gl
* Make Wordnet interoperable with various taggers and tagged corpora
* Fix saving PerceptronTagger
* Document how to reproduce old Wordnet studies
* properly initialize Portuguese corpus reader
* support for mixed rules conversion into Chomsky Normal Form
* only import tkinter if a GUI is needed
* issue #2112 with Corenlp
* new environment variable NLTK_DOWNLOADER_FORCE_INTERACTIVE_SHELL
* Lesk defaults to most frequent sense in case of ties
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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The Natural Language Toolkit (NLTK) is a Python package for
natural language processing.
Signed-off-by: Thomas Perrot <thomas.perrot@bootlin.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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