Mageia alert MGASA-2026-0146 (haproxy)

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Mageia Updates <updates-announce@ml.mageia.org>
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updates-announce@ml.mageia.org
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[updates-announce] MGASA-2026-0146: Updated haproxy packages fix security vulnerability
Date:
             
 
Sun, 17 May 2026 01:54:58 +0200
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<20260516235458.F1FA7A0071@duvel.mageia.org>
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Article
MGASA-2026-0146 - Updated haproxy packages fix security vulnerability

Publication date: 16 May 2026
URL: https://advisories.mageia.org/MGASA-2026-0146.html
Type: security
Affected Mageia releases: 9
CVE: CVE-2026-33555

Description:
The HTTP/3 parser does not check that the received body length matches a
previously announced content-length when the stream is closed via a
frame with an empty payload. This can cause desynchronization issues
with the backend server and could be used for request smuggling.
(CVE-2026-33555)

References:
- https://bugs.mageia.org/show_bug.cgi?id=35416
-
https://lists.opensuse.org/archives/list/security-announc...
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-3...

SRPMS:
- 9/core/haproxy-2.8.18-1.1.mga9