CVE-2026-26080: 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…

PriorityP416low3.7CVSS 3.1

AVNACHPRNUINSUCNINAL

EPSS

0.42%

34.1th percentile

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
debian	haproxy	< haproxy 3.2.11-2 (forky)	haproxy 3.2.11-2 (forky)
haproxy	haproxy	>= 3.2 < 3.2.12	3.2.12
haproxy	haproxy	>= 3.3 < 3.3.3	3.3.3

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