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.
References (2)
Core 2
Scores
CVSS v3
3.7
EPSS
0.0042
EPSS Percentile
34.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-252
Status
published
Products (2)
HAProxy/HAProxy
3.2 - 3.2.12
HAProxy/HAProxy
3.3 - 3.3.3
Published
Jul 20, 2026
Tracked Since
Jul 20, 2026