CVE-2025-32464

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

09/04/2025

Last modified:

15/04/2026

Description

HAProxy 2.2 through 3.1.6, in certain uncommon configurations, has a sample_conv_regsub heap-based buffer overflow because of mishandling of the replacement of multiple short patterns with a longer one.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

6.80

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://github.com/haproxy/haproxy/commit/3e3b9eebf871510aee36c3a3336faac2f38c9559
https://lists.debian.org/debian-lts-announce/2025/04/msg00031.html