AZL-103107

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Import Source

https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-103107.json

JSON Data

https://api.osv.dev/v1/vulns/AZL-103107

Upstream

CVE-2026-91990

Published

2026-09-15T16:17:58Z

Modified

2026-09-19T14:16:04Z

Summary

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

Details

Tornado before 6.5.8 contains a memory amplification vulnerability in parse_multipart_form_data that splits multipart data before validating the max_parts limit. Attackers can send crafted multipart requests with many parts to create large transient lists, exhausting server memory and causing denial of service.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-91990

Affected packages

Azure Linux:3 / python-tornado

Package

Name: python-tornado
Purl: pkg:rpm/azure-linux/python-tornado

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Last Affected

6.3.3-11

Database specific

source

"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-103107.json"