Advisories » MGASA-2026-0409

Updated python-h2 packages fix a security vulnerability

Publication date: 16 Sep 2026
Modification date: 16 Sep 2026
Type: security
Affected Mageia releases : 10 , 9
CVE: CVE-2026-71554

Description

Duplicate Host header facilitate request smuggling. (CVE-2026-71554)
                

References

• https://bugs.mageia.org/show_bug.cgi?id=36188
• https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/IDTJHCXCD2JELR2ZHWETBBYC3OYTW7QH/
• https://github.com/python-hyper/h2/security/advisories/GHSA-6hr6-w5qg-qmwg
• https://www.cve.org/CVERecord?id=CVE-2026-71554

SRPMS

10/core

• python-h2-4.3.0-1.1.mga10

9/core

• python-h2-4.1.0-2.1.mga9