openSUSE Security Update: Security update for python-nltk
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Announcement ID:    openSUSE-SU-2020:0436-1
Rating:             moderate
References:         #1146427 
Cross-References:   CVE-2019-14751
Affected Products:
                    openSUSE Leap 15.1
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   An update that fixes one vulnerability is now available.

Description:

   This update for python-nltk fixes the following issues:

   Update to 3.4.5 (boo#1146427, CVE-2019-14751):

   * CVE-2019-14751: Fixed Zip slip vulnerability in downloader for the
     unlikely situation where a user configures their downloader to use a
     compromised server (boo#1146427)

   Update to 3.4.4:

   * fix bug in plot function (probability.py)
   * add improved PanLex Swadesh corpus reader
   * add Text.generate()
   * add QuadgramAssocMeasures
   * add SSP to tokenizers   * return confidence of best tag from AveragedPerceptron
   * make plot methods return Axes objects
   * don't require list arguments to PositiveNaiveBayesClassifier.train
   * fix Tree classes to work with native Python copy library
   * fix inconsistency for NomBank
   * fix random seeding in LanguageModel.generate
   * fix ConditionalFreqDist mutation on tabulate/plot call
   * fix broken links in documentation
   * fix misc Wordnet issues
   * update installation instructions

   Version update to 3.4.1:

   * add chomsky_normal_form for CFGs
   * add meteor score
   * add minimum edit/Levenshtein distance based alignment function
   * allow access to collocation list via text.collocation_list()
   * support corenlp server options
   * drop support for Python 3.4
   * other minor fixes

   Update to v3.4:

   * Support Python 3.7
   * New Language Modeling package
   * Cistem Stemmer for German
   * Support Russian National Corpus incl POS tag model
   * Krippendorf Alpha inter-rater reliability test
   * Comprehensive code clean-ups
   * Switch continuous integration from Jenkins to Travis

   Updated to v3.3:

   * Support Python 3.6
   * New interface to CoreNLP
   * Support synset retrieval by sense key
   * Minor fixes to CoNLL Corpus Reader
   * AlignedSent
   * Fixed minor inconsistencies in APIs and API documentation
   * Better conformance to PEP8
   * Drop Moses Tokenizer (incompatible license)


Patch Instructions:

   To install this openSUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - openSUSE Leap 15.1:

      zypper in -t patch openSUSE-2020-436=1



Package List:

   - openSUSE Leap 15.1 (noarch):

      python2-nltk-3.4.5-lp151.4.3.1
      python3-nltk-3.4.5-lp151.4.3.1


References:

   https://www.suse.com/security/cve/CVE-2019-14751.html
   https://bugzilla.suse.com/1146427

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