LOW 3.7 Microsoft
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 affected.
Microsoft Security Update 2026-Jul: 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 Products
- azl3 haproxy 2.9.11-7 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26080
- https://nvd.nist.gov/vuln/detail/CVE-2026-26080
This low severity vulnerability with a CVSS score of 3.7 was published on 2026-07-14 via Microsoft. Affected: azl3 haproxy 2.9.11-7 on Azure Linux 3.0.
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