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Alerts This Week
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Mageia Issues Advisory for Critical DoS Vulnerability in python-tornado

mageia
Calendar Grey June 17, 2026
Dist Mageia Esm H88
Mageia issues security advisory for python-tornado addressing critical Denial of Service and cookie injection issues. Updates recommended.
Security update

Summary

Description: Tornado has a DoS due to too many multipart parts. (CVE-2026-31958) In Tornado, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.set_cookie were not checked for crafted characters. (CVE-2026-35536)

References

- https://bugs.mageia.org/show_bug.cgi?id=35420

- https://ubuntu.com/security/notices/USN-8198-1

- https://www.cve.org/CVERecord?id=CVE-2026-31958

- https://www.cve.org/CVERecord?id=CVE-2026-35536

Topics%20covered

Topics Covered

security advisory critical DoS cookie injection Mageia python-tornado

Resolution

SRPMS

- 9/core/python-tornado-6.3.2-1.4.mga9

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 17 Jun 2026
URL: https://advisories.mageia.org/MGASA-2026-0216.html
Type: security
CVE: CVE-2026-31958, CVE-2026-35536

Topics%20covered

Topics Covered

security advisory critical DoS cookie injection Mageia python-tornado

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