CVE catalog

CVE-2019-14751

nltk: CVE-2019-14751

[CVE catalog]

Severity
High · CVSS 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published
Source
[NVD] · [CVE record]
EPSS
5.67% · Oct 25, 2026

NLTK Downloader before 3.4.5 is vulnerable to a directory traversal, allowing attackers to write arbitrary files via a ../ (dot dot slash) in an NLTK package (ZIP archive) that is mishandled during extraction.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debiannltksid3.10.3-1fixed
Debiannltkforky3.10.3-1fixed
Debiannltktrixie3.9.1-2fixed
Debiannltkbookworm3.8-1fixed
Opensusepython-nltktumbleweed3.10.1-1.1fixed
Ubuntunltk16.043.0.4-1vulnerable
Ubuntunltk16.043.0.5-1vulnerable
Ubuntunltk16.043.1-1vulnerable
Ubuntunltk16.043.1-1ubuntu0.1fixed
Ubuntunltk18.043.2.4-1vulnerable
Ubuntunltk18.043.2.5-1vulnerable
Ubuntunltk18.043.2.5-1ubuntu0.1fixed
Opensusepython-nltktumbleweed3.5-1.10fixed
Opensusepython-nltkleap 15.13.4.5-lp151.4.3.1fixed
Ubuntunltkpro2.0~b9-0ubuntu4vulnerable
Ubuntunltkpro2.0~b9-0ubuntu4.1~esm2fixed
Ubuntunltk16.043.0.4-1vulnerable
Ubuntunltk16.043.0.5-1vulnerable
Ubuntunltk16.043.1-1vulnerable
Ubuntunltk16.043.1-1ubuntu0.1fixed
Ubuntunltk18.043.2.4-1vulnerable
Ubuntunltk18.043.2.5-1vulnerable
Ubuntunltk18.043.2.5-1ubuntu0.1fixed
Opensusepython-nltktumbleweed3.8.1-2.1fixed
Susepython-nltkpackage hub 15 sp23.7-bp152.3.3.1fixed
Susepython-nltkpackage hub 15 sp13.4.5-bp151.4.3.1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debiannltksourcesid3.4.5-1lowNot reported[935201]
Debiannltksourceforky3.4.5-1lowNot reported[935201]
Debiannltksourcetrixie3.4.5-1lowNot reported[935201]
Debiannltksourcebookworm3.4.5-1lowNot reported[935201]
Opensusepython-nltkrpmtumbleweed3.10.1-1.1Not reportedOPENSUSE-SU-2026:11469-1Not reported
Ubuntunltkdeb16.043.1-1ubuntu0.1Not reportedUSN-4106-1Not reported
Ubuntunltkdeb18.043.2.5-1ubuntu0.1Not reportedUSN-4106-1Not reported
Opensusepython-nltkrpmtumbleweed3.5-1.10Not reportedOPENSUSE-SU-2024:11241-1Not reported
Opensusepython-nltkrpmleap 15.13.4.5-lp151.4.3.1Not reportedOPENSUSE-SU-2020:0436-1Not reported
Ubuntunltkdebpro2.0~b9-0ubuntu4.1~esm2Not reportedUBUNTU-CVE-2019-14751Not reported
Ubuntunltkdeb16.043.1-1ubuntu0.1Not reportedUBUNTU-CVE-2019-14751Not reported
Ubuntunltkdeb18.043.2.5-1ubuntu0.1Not reportedUBUNTU-CVE-2019-14751Not reported
Opensusepython-nltkrpmtumbleweed3.8.1-2.1Not reportedOPENSUSE-SU-2024:14103-1Not reported
Susepython-nltkrpmpackage hub 15 sp23.7-bp152.3.3.1Not reportedOPENSUSE-SU-2022:10040-1Not reported
Susepython-nltkrpmpackage hub 15 sp13.4.5-bp151.4.3.1Not reportedOPENSUSE-SU-2020:0440-1Not reported

[Debian bug #935201]

OpenFactory catalog packages

[openSUSE Tumbleweed]

  • [python313-nltk]Unknown

    Source package: [python-nltk]

    Details (1)

    • 3.10.3-1.1 · noarch · tumbleweed

      Unknown · Fixed: 3.10.1-1.1, 3.5-1.10, 3.8.1-2.1

      Version impact unknown

      dsa · python-nltk · opensuse · tumbleweed

  • [python314-nltk]Unknown

    Source package: [python-nltk]

    Details (1)

    • 3.10.3-1.1 · noarch · tumbleweed

      Unknown · Fixed: 3.10.1-1.1, 3.5-1.10, 3.8.1-2.1

      Version impact unknown

      dsa · python-nltk · opensuse · tumbleweed

[Debian 12 (Bookworm)]

  • [python3-nltk]Fixed

    Source package: [nltk]

    Details (2)

    • 3.8-1 · all · bookworm

      Fixed · Fixed: 3.4.5-1

      dsa · nltk · debian · bookworm; dsa · nltk · debian · 12

    • 3.8-1 · all · bookworm

      Fixed · Fixed: 3.4.5-1

      dsa · nltk · debian · bookworm; dsa · nltk · debian · 12

[Debian 13 (Trixie)]

  • [python3-nltk]Fixed

    Source package: [nltk]

    Details (2)

    • 3.9.1-2 · all · trixie

      Fixed · Fixed: 3.4.5-1

      dsa · nltk · debian · 13

    • 3.9.1-2 · all · trixie

      Fixed · Fixed: 3.4.5-1

      dsa · nltk · debian · 13

Observed:

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]