6.8

CVE-2025-32464: haproxy Comparison Using Wrong Factors

CVSS: 6.8v3.1MediumDeferred
AliasesMGASA-2025-0138SUSE-SU-2025:1264-1SUSE-SU-2025:1338-1
Published 09-04-2025Last modified 23-04-2025

Vulnerability summary

CVE-2025-32464 is a medium (CVSS 6.8) Comparison Using Wrong Factors vulnerability in haproxy. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.8% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.76%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1

Timeline

  1. 09-04-2025
    PublishedVulnerability first disclosed.
  2. 23-04-2025
    Last modifiedVulnerability information updated.

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 metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.76%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

+0.01 pp

From 0.75% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.76%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Suse6 products
  • haproxy&distro=SUSE Linux Enterprise High Availability Extension 15 SP4< 2.4.22+git0.f8e3218e2-150400.3.22.1
  • haproxy&distro=SUSE Linux Enterprise High Availability Extension 15 SP5< 2.4.22+git0.f8e3218e2-150400.3.22.1
  • haproxy&distro=SUSE Linux Enterprise High Availability Extension 15 SP6< 2.8.11+git0.01c1056a4-150600.3.6.1
  • haproxy&distro=SUSE Linux Enterprise Micro 5.3< 2.4.22+git0.f8e3218e2-150400.3.22.1
  • haproxy&distro=SUSE Linux Enterprise Micro 5.4< 2.4.22+git0.f8e3218e2-150400.3.22.1
Chainguard5 products
  • haproxy-2.4< 2.4.30-r0
  • haproxy-2.6< 2.6.23-r0
  • haproxy-2.8< 2.8.18-r0
  • haproxy-3.0< 3.0.10-r0
  • haproxy-3.1< 3.1.7-r0
Opensuse2 products
  • haproxy&distro=openSUSE Leap 15.6< 2.8.11+git0.01c1056a4-150600.3.6.1
  • haproxy&distro=openSUSE Tumbleweed< 3.2.0+git0.e134140d2-2.1
Debian1 product
  • haproxy< 2.6.12-1+deb12u2 | < 3.0.10-1 | < 2.2.9-2+deb11u7
Haproxy1 product
Mageia1 product
  • haproxy< 2.8.14-1.1.mga9
Ubuntu1 product
  • haproxy< 2.4.24-0ubuntu0.22.04.2 | < 2.8.5-1ubuntu3.3 | < 3.0.8-1ubuntu1.1

7 vendors · 17 products

References

16 links
Show all 16 references