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CVE-2026-82397

🗓️ 01 Sep 2026 00:00:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 2 Views

Unauthenticated DoS in Tornado before 6.5.8 via large form-urlencoded bodies stalling the event loop.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-82397
31 Aug 202621:28
cve
cvelist
Cvelist
CVE-2026-82397 Tornado: Urlencoded body parsing omits max_num_fields, so one request can stall the event loop
31 Aug 202621:28
cvelist
debiancve
Debian CVE
CVE-2026-82397
31 Aug 202621:28
debiancve
euvd
EUVD
EUVD-2026-68892
31 Aug 202621:28
euvd
nvd
NVD
CVE-2026-82397
31 Aug 202622:17
nvd
osv
OSV
DEBIAN-CVE-2026-82397
31 Aug 202622:17
osv
osv
OSV
UBUNTU-CVE-2026-82397
1 Sep 202600:00
osv
ptsecurity
Positive Technologies
PT-2026-84049
31 Aug 202600:00
ptsecurity
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu16.04allpython-tornado0python-tornado_0_all.deb
Ubuntu18.04allpython-tornado0python-tornado_0_all.deb
Ubuntu20.04allpython-tornado0python-tornado_0_all.deb
Ubuntu22.04allpython-tornado0python-tornado_0_all.deb
Ubuntu24.04allpython-tornado0python-tornado_0_all.deb
Ubuntu26.04allpython-tornado0python-tornado_0_all.deb

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01 Sep 2026 16:09Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
2