CVE-2025-32464: haproxy Comparison Using Wrong Factors
CVSS: 6.8v3.1MediumDeferred
AliasesMGASA-2025-0138SUSE-SU-2025:1264-1SUSE-SU-2025:1338-1UBUNTU-CVE-2025-32464USN-7431-1USN-7431-2DEBIAN-CVE-2025-32464DLA-4135-1openSUSE-SU-2025:15200-1CGA-95rh-hw9v-8w4fCGA-c3wf-9p62-h6g3CGA-hwww-856j-gwfrCGA-j2f4-vp5v-hf96CGA-mp7w-78x4-gc6pCGA-p475-w2v6-h8fhCGA-p4j6-j4x3-c34vCGA-w2rg-4ccf-3gmwCGA-w34p-pf7r-h6xwCGA-xqc2-jrg7-57mc
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.
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)EPSS score
0.76%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 1Timeline
- 09-04-2025PublishedVulnerability first disclosed.
- 23-04-2025Last 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 versionMedium 6.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:HSourcesAll 5 agree
- OSV · UbuntuEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
- NVDNIST6.8MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
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 score0.76%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- haproxy≥ 2.2, ≤ 3.1.6
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