HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected.

LowVendor CVSS 3.7 / 10 1 CVE Published Jul 23, 2026 at 1:05 AM UTC

Summary

Mariner

Separate remediation guidance was not included in the collected bulletin.

Jul 23, 2026 at 1:05 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Aug 9, 2026 at 1:40 AM UTC
Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
Sep 3, 2026 at 11:40 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Oct 28, 2026 at 9:50 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

Official bulletin How SecurityAlert builds this record

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