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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
mitreCNA
6.8 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
CISA-ADPADP
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CVEADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 62%
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
haproxy
plucky
Fixed 3.0.8-1ubuntu1.1
released
oracular
Fixed 2.9.10-1ubuntu1.2
released
noble
Fixed 2.8.5-1ubuntu3.3
released
jammy
Fixed 2.4.24-0ubuntu0.22.04.2
released
focal
not-affected
bionic
not-affected
xenial
not-affected
Common Weakness Enumeration
References
https://github.com/haproxy/haproxy/commit/3e3b9eebf871510aee36c3a3336faac2f38c9559
https://lists.debian.org/debian-lts-announce/2025/04/msg00031.html