CVE-2025-11230
Denial of service vulnerability in HAProxy mjson library
CVE-2025-11230 is fixed in 2 products on 1 platform, first by haproxy 2.4.24-0ubuntu0.22.04.3, released October 1, 2025. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0074
54th percentile
Inefficient algorithm complexity in mjson in HAProxy allows remoteattackers to cause a denial of service via specially crafted JSON requests.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| haproxy · Debian 12.15 (bookworm) | 2.6.12-1+deb12u3 | DSA-6017-1 | Oct 3, 2025 |
| haproxy · Debian 13.5 (trixie) | 3.0.11-1+deb13u1 | DSA-6017-1 | Oct 3, 2025 |
| haproxy · Debian 14 | 3.2.5-2 | DEBIAN-CVE-2025-11230 | Nov 19, 2025 |
| haproxy · RHEL 10 | 3.0.5-4.el10_0.1 | RHSA-2025:21692 | Oct 3, 2025 |
| haproxy · RHEL 9 | 0:2.8.14-1.el9_7.1 | RHSA-2025:21693 | Nov 18, 2025 |
| haproxy · Ubuntu 22.04.1 LTS (jammy) | 2.4.24-0ubuntu0.22.04.3 | haproxy 2.4.24-0ubuntu0.22.04.3 | Oct 1, 2025 |
| haproxy · Ubuntu 24.04.5 LTS (noble) | 2.8.5-1ubuntu3.4 | haproxy 2.8.5-1ubuntu3.4 | Oct 1, 2025 |
| haproxy · Ubuntu 25.04 (plucky) | 3.0.8-1ubuntu1.2 | haproxy 3.0.8-1ubuntu1.2 | Oct 2, 2025 |
| haproxy · almalinux 10 | 3.0.5-4.el10_1.1 | ALSA-2025:21691 | Nov 18, 2025 |
| haproxy · almalinux 9 | 2.8.14-1.el9_7.1 | ALSA-2025:21693 | Nov 18, 2025 |
| haproxy · ol 10 | 0:3.0.5-4.el10_1.1 | ELSA-2025-21691 | Dec 2, 2025 |
| haproxy · ol 9 | 0:2.8.14-1.el9_7.1 | ELSA-2025-21693 | Nov 25, 2025 |
| haproxy · opensuse-leap 15.6 | 2.8.11+git0.01c1056a4-150600.3.9.1 | SUSE-SU-2025:03587-1 | Oct 13, 2025 |
| haproxy · opensuse-leap 16.0 | 3.2.0+git0.e134140d2-160000.3.1 | OPENSUSE-SU-2026:20032-1 | Jan 14, 2026 |
| haproxy · rocky 10 | 0:3.0.5-4.el10_1.1 | RLSA-2025:21691 | Nov 25, 2025 |
| haproxy · rocky 9 | 0:2.8.14-1.el9_7.1 | RLSA-2025:21693 | Nov 21, 2025 |
| haproxy · sles 15.6 | 2.8.11+git0.01c1056a4-150600.3.9.1 | SUSE-SU-2025:03587-1 | Oct 13, 2025 |
| haproxy · sles 15.7 | 2.8.11+git0.01c1056a4-150600.3.9.1 | SUSE-SU-2025:03587-1 | Oct 13, 2025 |
| haproxy · sles 16.0 | 3.2.0+git0.e134140d2-160000.3.1 | SUSE-SU-2026:20092-1 | Jan 14, 2026 |
| vim-haproxy · Ubuntu 22.04.1 LTS (jammy) | 2.4.24-0ubuntu0.22.04.3 | vim-haproxy 2.4.24-0ubuntu0.22.04.3 | Oct 1, 2025 |
| vim-haproxy · Ubuntu 24.04.5 LTS (noble) | 2.8.5-1ubuntu3.4 | vim-haproxy 2.8.5-1ubuntu3.4 | Oct 1, 2025 |
| vim-haproxy · Ubuntu 25.04 (plucky) | 3.0.8-1ubuntu1.2 | vim-haproxy 3.0.8-1ubuntu1.2 | Oct 2, 2025 |
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