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CVE-2026-72818

🗓️ 20 Aug 2026 22:18:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 12 Views

ReDoS in nltk TweetTokenizer unbounded domain-label regex causes CPU DoS.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-72818 vulnerabilities
4 Sep 202620:26
cgr
circl
Circl
CVE-2026-72818
20 Aug 202623:00
circl
cve
CVE
CVE-2026-72818
20 Aug 202621:57
cve
cvelist
Cvelist
CVE-2026-72818 NLTK TweetTokenizer URL Pattern Backtracks Catastrophically on Naked-Domain-Like Input
20 Aug 202621:57
cvelist
debiancve
Debian CVE
CVE-2026-72818
20 Aug 202621:57
debiancve
euvd
EUVD
EUVD-2026-63729
21 Aug 202600:31
euvd
github
Github Security Blog
NLTK TweetTokenizer vulnerable to denial of service through catastrophic regex backtracking
21 Aug 202600:31
github
nvd
NVD
CVE-2026-72818
20 Aug 202622:18
nvd
osv
OSV
CGA-9MC7-GQ3J-PWH9
2 Sep 202620:51
osv
osv
OSV
CGA-CMJV-284G-48RV
4 Sep 202609:07
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 21:09Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.5
CVSS 48.7
EPSS0.00505
SSVC
12