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CVE-2026-81722

🗓️ 27 Aug 2026 17:21:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 6 Views

DoS in nltk PorterStemmer <= 3.10.2 via O(n^2) complexity on trailing 'y' characters in stem().

Related
Packages
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-81722
27 Aug 202618:02
circl
cve
CVE
CVE-2026-81722
27 Aug 202614:51
cve
cvelist
Cvelist
CVE-2026-81722 nltk PorterStemmer before 3.10.3 Quadratic-time DoS
27 Aug 202614:51
cvelist
debiancve
Debian CVE
CVE-2026-81722
27 Aug 202614:51
debiancve
euvd
EUVD
EUVD-2026-67072
2 Sep 202614:36
euvd
github
Github Security Blog
Duplicate Advisory: Quadratic-time DoS in PorterStemmer via long runs of 'y'
27 Aug 202618:32
github
github
Github Security Blog
NLTK: Quadratic-time DoS in PorterStemmer via long runs of 'y'
2 Sep 202614:36
github
nvd
NVD
CVE-2026-81722
27 Aug 202617:21
nvd
osv
OSV
DEBIAN-CVE-2026-81722
27 Aug 202617:21
osv
osv
OSV
ECHO-4BA5-A214-FE9E
3 Sep 202600:00
osv
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu14.04allnltk0nltk_0_all.deb
Ubuntu16.04allnltk0nltk_0_all.deb
Ubuntu18.04allnltk0nltk_0_all.deb
Ubuntu20.04allnltk0nltk_0_all.deb
Ubuntu22.04allnltk0nltk_0_all.deb
Ubuntu24.04allnltk0nltk_0_all.deb
Ubuntu26.04allnltk0nltk_0_all.deb

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02 Sep 2026 21:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
CVSS 48.7
EPSS0.00363
SSVC
6