CVE-2025-32464

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.

CVSS v3.1 Score

6.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

Weakness Type (CWE)

CWE-1025 CWE-1025

References

Other References

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

Frequently Asked Questions

What is CVE-2025-32464? +

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. It has a CVSS v3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2025-32464? +

CVE-2025-32464 has a CVSS v3.1 score of 6.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-32464? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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