CVE-2025-32464

Publication date 9 April 2025

Last updated 26 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.8 · Medium

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
haproxy 25.04 plucky
Fixed 3.0.8-1ubuntu1.1
24.10 oracular
Fixed 2.9.10-1ubuntu1.2
24.04 LTS noble
Fixed 2.8.5-1ubuntu3.3
22.04 LTS jammy
Fixed 2.4.24-0ubuntu0.22.04.2
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected

Notes

mdeslaur

introduced in 2.2 with: https://github.com/haproxy/haproxy/commit/07e1e3c93e74e44389545e457f0e1ff2e807cb9a

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
haproxy

Severity score breakdown

Parameter Value
Base score 6.8 · Medium
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references