Heap-Based Buffer Overflow Vulnerability in HAProxy by HAProxy Technologies
CVE-2025-32464

6.8MEDIUM

Key Information:

Vendor

Haproxy

Status
Haproxy
Vendor
CVE Published:
9 April 2025

What is CVE-2025-32464?

A buffer overflow vulnerability exists in HAProxy versions 2.2 through 3.1.6 due to mishandling of pattern replacements in certain configurations. This issue can result in a heap-based buffer overflow when multiple short patterns are replaced with a longer one, potentially allowing attackers to execute arbitrary code.

Affected Version(s)

HAProxy 2.2 <= 3.1.6

References

https://github.com/haproxy/haproxy/commit/3e3b9eebf871510...

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.