CVE catalog
CVE-2025-11230
HAProxy vulnerability
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.74% · Oct 25, 2026
Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | haproxy | sid | 3.2.26-1 | fixed |
| Debian | haproxy | forky | 3.2.26-1 | fixed |
| Debian | haproxy | trixie | 3.0.11-1+deb13u3 | fixed |
| Debian | haproxy | trixie-security | 3.0.11-1+deb13u4 | fixed |
| Debian | haproxy | bookworm | 2.6.12-1+deb12u3 | fixed |
| Debian | haproxy | bookworm-security | 2.6.12-1+deb12u4 | fixed |
| Ubuntu | haproxy | noble | 2.8.5-1ubuntu3.4 | fixed |
| Ubuntu | haproxy-doc | noble | 2.8.5-1ubuntu3.4 | fixed |
| Ubuntu | vim-haproxy | noble | 2.8.5-1ubuntu3.4 | fixed |
| Cpe | aloha_appliance | Not reported | 17.0.7 | fixed |
| Cpe | haproxy | Not reported | 3.2.6 | fixed |
| Cpe | haproxy_enterprise | Not reported | Not reported | unknown |
| Opensuse | haproxy | leap 16.0 | 3.2.0+git0.e134140d2-160000.3.1 | fixed |
| Opensuse | haproxy | tumbleweed | 3.2.6+git0.81568b2d1-1.1 | fixed |
| Suse | haproxy | linux micro 6.2 | 3.2.0+git0.e134140d2-160000.3.1 | fixed |
| Suse | haproxy | linux enterprise server for sap applications 16.0 | 3.2.0+git0.e134140d2-160000.3.1 | fixed |
| Suse | haproxy | linux enterprise high availability extension 16.0 | 3.2.0+git0.e134140d2-160000.3.1 | fixed |
| Suse | haproxy | linux micro 6.1 | 2.8.11+git0.01c1056a4-slfo.1.1_2.1 | fixed |
| Suse | haproxy | linux micro 6.0 | 2.8.11+git0.01c1056a4-2.1 | fixed |
| Ubuntu | haproxy | 22.04 | 2.2.9-2ubuntu2 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.8-1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.8-2ubuntu3 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.11-1ubuntu1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.12-1ubuntu1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.12-1ubuntu2 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.13-1ubuntu1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.14-1ubuntu1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.18-0ubuntu1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.18-0ubuntu1.1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.18-0ubuntu1.2 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.18-0ubuntu1.3 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.22-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.22-0ubuntu0.22.04.2 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.22-0ubuntu0.22.04.3 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.24-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.24-0ubuntu0.22.04.2 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.24-0ubuntu0.22.04.3 | fixed |
| Ubuntu | haproxy | 24.04 | 2.6.15-1ubuntu2 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu1 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu2 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu3 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu3.1 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu3.2 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu3.3 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu3.4 | fixed |
| Suse | haproxy | linux enterprise micro 5.3 | 2.4.22+git0.f8e3218e2-150400.3.25.1 | fixed |
| Suse | haproxy | linux enterprise micro 5.4 | 2.4.22+git0.f8e3218e2-150400.3.25.1 | fixed |
| Suse | haproxy | linux enterprise micro 5.5 | 2.4.22+git0.f8e3218e2-150400.3.25.1 | fixed |
| Suse | haproxy | linux enterprise high availability extension 15 sp4 | 2.4.22+git0.f8e3218e2-150400.3.25.1 | fixed |
| Suse | haproxy | linux enterprise high availability extension 15 sp5 | 2.4.22+git0.f8e3218e2-150400.3.25.1 | fixed |
| Suse | haproxy | linux enterprise high availability extension 15 sp6 | 2.8.11+git0.01c1056a4-150600.3.9.1 | fixed |
| Suse | haproxy | linux enterprise high availability extension 15 sp7 | 2.8.11+git0.01c1056a4-150600.3.9.1 | fixed |
| Opensuse | haproxy | leap 15.6 | 2.8.11+git0.01c1056a4-150600.3.9.1 | fixed |
| Ubuntu | haproxy | 22.04 | 2.2.9-2ubuntu2 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.8-1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.8-2ubuntu3 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.11-1ubuntu1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.12-1ubuntu1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.12-1ubuntu2 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.13-1ubuntu1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.14-1ubuntu1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.18-0ubuntu1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.18-0ubuntu1.1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.18-0ubuntu1.2 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.18-0ubuntu1.3 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.22-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.22-0ubuntu0.22.04.2 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.22-0ubuntu0.22.04.3 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.24-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.24-0ubuntu0.22.04.2 | vulnerable |
| Ubuntu | haproxy | 22.04 | 2.4.24-0ubuntu0.22.04.3 | fixed |
| Ubuntu | haproxy | 24.04 | 2.6.15-1ubuntu2 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu1 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu2 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu3 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu3.1 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu3.2 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu3.3 | vulnerable |
| Ubuntu | haproxy | 24.04 | 2.8.5-1ubuntu3.4 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | haproxy | source | sid | 3.2.5-2 | not yet assigned | Not reported | Not reported |
| Debian | haproxy | source | forky | 3.2.5-2 | not yet assigned | Not reported | Not reported |
| Debian | haproxy | source | trixie | 3.0.11-1+deb13u1 | not yet assigned | Not reported | Not reported |
| Debian | haproxy | source | bookworm | 2.6.12-1+deb12u3 | not yet assigned | Not reported | Not reported |
| Ubuntu | haproxy | deb | noble | 2.8.5-1ubuntu3.4 | Not reported | Not reported | Not reported |
| Ubuntu | haproxy-doc | deb | noble | 2.8.5-1ubuntu3.4 | Not reported | Not reported | Not reported |
| Ubuntu | vim-haproxy | deb | noble | 2.8.5-1ubuntu3.4 | Not reported | Not reported | Not reported |
| Cpe | aloha_appliance | cpe | Not reported | 17.0.7 | Not reported | NVD-CVE-2025-11230 | Not reported |
| Cpe | haproxy | cpe | Not reported | 3.2.6 | Not reported | NVD-CVE-2025-11230 | Not reported |
| Opensuse | haproxy | rpm | leap 16.0 | 3.2.0+git0.e134140d2-160000.3.1 | Not reported | OPENSUSE-SU-2026:20032-1 | Not reported |
| Opensuse | haproxy | rpm | tumbleweed | 3.2.6+git0.81568b2d1-1.1 | Not reported | OPENSUSE-SU-2025:15599-1 | Not reported |
| Suse | haproxy | rpm | linux micro 6.2 | 3.2.0+git0.e134140d2-160000.3.1 | Not reported | SUSE-SU-2026:20109-1 | Not reported |
| Suse | haproxy | rpm | linux enterprise server for sap applications 16.0 | 3.2.0+git0.e134140d2-160000.3.1 | Not reported | SUSE-SU-2026:20094-1 | Not reported |
| Suse | haproxy | rpm | linux enterprise high availability extension 16.0 | 3.2.0+git0.e134140d2-160000.3.1 | Not reported | SUSE-SU-2026:20092-1 | Not reported |
| Suse | haproxy | rpm | linux micro 6.1 | 2.8.11+git0.01c1056a4-slfo.1.1_2.1 | Not reported | SUSE-SU-2025:20900-1 | Not reported |
| Suse | haproxy | rpm | linux micro 6.0 | 2.8.11+git0.01c1056a4-2.1 | Not reported | SUSE-SU-2025:20872-1 | Not reported |
| Ubuntu | haproxy | deb | 22.04 | 2.4.24-0ubuntu0.22.04.3 | Not reported | USN-7805-1 | Not reported |
| Ubuntu | haproxy | deb | 24.04 | 2.8.5-1ubuntu3.4 | Not reported | USN-7805-1 | Not reported |
| Suse | haproxy | rpm | linux enterprise micro 5.3 | 2.4.22+git0.f8e3218e2-150400.3.25.1 | Not reported | SUSE-SU-2025:03589-1 | Not reported |
| Suse | haproxy | rpm | linux enterprise micro 5.4 | 2.4.22+git0.f8e3218e2-150400.3.25.1 | Not reported | SUSE-SU-2025:03589-1 | Not reported |
| Suse | haproxy | rpm | linux enterprise micro 5.5 | 2.4.22+git0.f8e3218e2-150400.3.25.1 | Not reported | SUSE-SU-2025:03589-1 | Not reported |
| Suse | haproxy | rpm | linux enterprise high availability extension 15 sp4 | 2.4.22+git0.f8e3218e2-150400.3.25.1 | Not reported | SUSE-SU-2025:03589-1 | Not reported |
| Suse | haproxy | rpm | linux enterprise high availability extension 15 sp5 | 2.4.22+git0.f8e3218e2-150400.3.25.1 | Not reported | SUSE-SU-2025:03589-1 | Not reported |
| Suse | haproxy | rpm | linux enterprise high availability extension 15 sp6 | 2.8.11+git0.01c1056a4-150600.3.9.1 | Not reported | SUSE-SU-2025:03587-1 | Not reported |
| Suse | haproxy | rpm | linux enterprise high availability extension 15 sp7 | 2.8.11+git0.01c1056a4-150600.3.9.1 | Not reported | SUSE-SU-2025:03587-1 | Not reported |
| Opensuse | haproxy | rpm | leap 15.6 | 2.8.11+git0.01c1056a4-150600.3.9.1 | Not reported | SUSE-SU-2025:03587-1 | Not reported |
| Ubuntu | haproxy | deb | 22.04 | 2.4.24-0ubuntu0.22.04.3 | Not reported | UBUNTU-CVE-2025-11230 | Not reported |
| Ubuntu | haproxy | deb | 24.04 | 2.8.5-1ubuntu3.4 | Not reported | UBUNTU-CVE-2025-11230 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [haproxy]Fixed
Details (4)
2.6.12-1+deb12u3· amd64 · bookwormFixed · Fixed:
2.6.12-1+deb12u3usn · haproxy · debian · bookworm; usn · haproxy · debian · 12
2.6.12-1+deb12u3· arm64 · bookwormFixed · Fixed:
2.6.12-1+deb12u3usn · haproxy · debian · bookworm; usn · haproxy · debian · 12
2.6.12-1+deb12u3· amd64 · bookworm-securityFixed · Fixed:
2.6.12-1+deb12u3usn · haproxy · debian · bookworm; usn · haproxy · debian · 12
2.6.12-1+deb12u3· arm64 · bookworm-securityFixed · Fixed:
2.6.12-1+deb12u3usn · haproxy · debian · bookworm; usn · haproxy · debian · 12
- [haproxy-doc]Fixed
Source package: [haproxy]
Details (4)
2.6.12-1+deb12u3· all · bookwormFixed · Fixed:
2.6.12-1+deb12u3usn · haproxy · debian · bookworm; usn · haproxy · debian · 12
2.6.12-1+deb12u3· all · bookwormFixed · Fixed:
2.6.12-1+deb12u3usn · haproxy · debian · bookworm; usn · haproxy · debian · 12
2.6.12-1+deb12u3· all · bookworm-securityFixed · Fixed:
2.6.12-1+deb12u3usn · haproxy · debian · bookworm; usn · haproxy · debian · 12
2.6.12-1+deb12u3· all · bookworm-securityFixed · Fixed:
2.6.12-1+deb12u3usn · haproxy · debian · bookworm; usn · haproxy · debian · 12
- [vim-haproxy]Fixed
Source package: [haproxy]
Details (4)
2.6.12-1+deb12u3· all · bookwormFixed · Fixed:
2.6.12-1+deb12u3usn · haproxy · debian · bookworm; usn · haproxy · debian · 12
2.6.12-1+deb12u3· all · bookwormFixed · Fixed:
2.6.12-1+deb12u3usn · haproxy · debian · bookworm; usn · haproxy · debian · 12
2.6.12-1+deb12u3· all · bookworm-securityFixed · Fixed:
2.6.12-1+deb12u3usn · haproxy · debian · bookworm; usn · haproxy · debian · 12
2.6.12-1+deb12u3· all · bookworm-securityFixed · Fixed:
2.6.12-1+deb12u3usn · haproxy · debian · bookworm; usn · haproxy · debian · 12
[Debian 13 (Trixie)]
- [haproxy]Fixed
Details (5)
3.0.11-1+deb13u3· amd64 · trixieFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
3.0.11-1+deb13u3· arm64 · trixieFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
3.0.11-1+deb13u3· amd64 · trixie-security · Historical versionFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
3.0.11-1+deb13u3· arm64 · trixie-securityFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
3.0.11-1+deb13u4· amd64 · trixie-securityFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
- [haproxy-doc]Fixed
Source package: [haproxy]
Details (5)
3.0.11-1+deb13u3· all · trixieFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
3.0.11-1+deb13u3· all · trixieFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
3.0.11-1+deb13u3· all · trixie-securityFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
3.0.11-1+deb13u3· all · trixie-security · Historical versionFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
3.0.11-1+deb13u4· all · trixie-securityFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
- [vim-haproxy]Fixed
Source package: [haproxy]
Details (5)
3.0.11-1+deb13u3· all · trixieFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
3.0.11-1+deb13u3· all · trixieFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
3.0.11-1+deb13u3· all · trixie-securityFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
3.0.11-1+deb13u3· all · trixie-security · Historical versionFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
3.0.11-1+deb13u4· all · trixie-securityFixed · Fixed:
3.0.11-1+deb13u1usn · haproxy · debian · 13
[openSUSE Tumbleweed]
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2025_21691.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2025-11230]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2025-11230]
- [https://osv.dev/vulnerability/DSA-6017-1]
- [https://osv.dev/vulnerability/SUSE-SU-2025:03587-1]
- [https://osv.dev/vulnerability/SUSE-SU-2025:03589-1]
- [https://osv.dev/vulnerability/SUSE-SU-2025:20872-1]
- [https://osv.dev/vulnerability/SUSE-SU-2025:20900-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:20092-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:20094-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:20109-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2025-11230]
- [https://osv.dev/vulnerability/USN-7805-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2025:15599-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:20032-1]
- [https://security-tracker.debian.org/tracker/CVE-2025-11230]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-11230.json]
- [https://ubuntu.com/security/notices/USN-7805-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-2209.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]