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AZL-103107 CVE-2026-91990 affecting package python-tornado 6.3.3-11

🗓️ 15 Sep 2026 16:17:58Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 11 Views

Memory amplification DoS in Tornado before 6.5.8 via parse_multipart_form_data multipart requests.

Related
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-91990
15 Sep 202615:18
–cve
cvelist
Cvelist
CVE-2026-91990 Tornado before 6.5.8 Memory Amplification DoS via multipart
15 Sep 202615:18
–cvelist
debiancve
Debian CVE
CVE-2026-91990
15 Sep 202615:18
–debiancve
euvd
EUVD
EUVD-2026-78661
15 Sep 202615:18
–euvd
mend
Mend
CVE-2026-91990
15 Sep 202615:18
–mend
nvd
NVD
CVE-2026-91990
15 Sep 202616:17
–nvd
osv
OSV
BELL-CVE-2026-91990
18 Sep 202606:06
–osv
osv
OSV
CLEANSTART-2026-ZC76920 Tornado before 6
24 Sep 202606:51
–osv
osv
OSV
DEBIAN-CVE-2026-91990
15 Sep 202616:17
–osv
osv
OSV
GHSA-8423-8FGW-73VQ tornado: multipart split() creates huge temp list before max_parts check -> memory amplification DoS (httputil.py:34)
1 Sep 202620:17
–osv
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09 Oct 2026 05:33Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
CVSS 48.7
EPSS0.00424
SSVC
11