What is CVE-2025-32464?

CVE-2025-32464 is a medium-severity vulnerability in Haproxy, classified under CWE-1025. CVSS score: 6.8/10. Published 2025-04-09.

How severe is CVE-2025-32464?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Is CVE-2025-32464 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Haproxy

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.

EPSS: 0.021 (84.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Haproxy — versions 2.2

Weakness classification (CWE)

CWE-1025

Public proof-of-concept exploits

w4zu/Debian_

References

github.com/haproxy/haproxy/commit/3e3b9eebf871510aee36c3a3336faac2f38c9559

Frequently asked questions

What is CVE-2025-32464?: CVE-2025-32464 is a medium-severity vulnerability in Haproxy, classified under CWE-1025. CVSS score: 6.8/10. Published 2025-04-09.
How severe is CVE-2025-32464?: Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2025-32464 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.