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.

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Fixes

Solution

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Workaround

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History

Mon, 20 Jul 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 20 Jul 2026 16:15:00 +0000

Type Values Removed Values Added
Description 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.
First Time appeared Haproxy
Haproxy haproxy
Weaknesses CWE-252
CPEs cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
Vendors & Products Haproxy
Haproxy haproxy
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-07-20T18:16:43.967Z

Reserved: 2026-02-11T00:00:00.000Z

Link: CVE-2026-26080

cve-icon Vulnrichment

Updated: 2026-07-20T18:16:36.877Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-20T22:45:17Z

Weaknesses