Unrated severityNVD Advisory· Published Nov 19, 2025· Updated Nov 19, 2025
Denial of service vulnerability in HAProxy mjson library
CVE-2025-11230
Description
Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
34- osv-coords32 versionspkg:apk/chainguard/haproxy-2.4pkg:apk/chainguard/haproxy-2.4-docpkg:apk/chainguard/haproxy-2.4-iamguarded-compatpkg:apk/chainguard/haproxy-2.4-nocapspkg:apk/chainguard/haproxy-2.4-oci-entrypointpkg:apk/chainguard/haproxy-2.6pkg:apk/chainguard/haproxy-2.6-docpkg:apk/chainguard/haproxy-2.6-iamguarded-compatpkg:apk/chainguard/haproxy-2.6-nocapspkg:apk/chainguard/haproxy-2.6-oci-entrypointpkg:apk/chainguard/haproxy-2.8pkg:apk/chainguard/haproxy-2.8-docpkg:apk/chainguard/haproxy-2.8-iamguarded-compatpkg:apk/chainguard/haproxy-2.8-nocapspkg:apk/chainguard/haproxy-2.8-oci-entrypointpkg:bitnami/haproxypkg:rpm/almalinux/haproxypkg:rpm/opensuse/haproxy&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/haproxy&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/haproxy&distro=openSUSE%20Tumbleweedpkg:rpm/suse/haproxy&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP4pkg:rpm/suse/haproxy&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP5pkg:rpm/suse/haproxy&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6pkg:rpm/suse/haproxy&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP7pkg:rpm/suse/haproxy&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2016.0pkg:rpm/suse/haproxy&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/haproxy&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/haproxy&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/haproxy&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/haproxy&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/haproxy&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/haproxy&distro=SUSE%20Linux%20Micro%206.2
< 2.4.30-r0+ 31 more
- (no CPE)range: < 2.4.30-r0
- (no CPE)range: < 2.4.30-r0
- (no CPE)range: < 2.4.30-r0
- (no CPE)range: < 2.4.30-r0
- (no CPE)range: < 2.4.30-r0
- (no CPE)range: < 2.6.23-r0
- (no CPE)range: < 2.6.23-r0
- (no CPE)range: < 2.6.23-r0
- (no CPE)range: < 2.6.23-r0
- (no CPE)range: < 2.6.23-r0
- (no CPE)range: < 2.8.18-r0
- (no CPE)range: < 2.8.18-r0
- (no CPE)range: < 2.8.18-r0
- (no CPE)range: < 2.8.18-r0
- (no CPE)range: < 2.8.18-r0
- (no CPE)range: >= 2.4.0, < 2.4.30
- (no CPE)range: < 3.0.5-4.el10_1.1
- (no CPE)range: < 2.8.11+git0.01c1056a4-150600.3.9.1
- (no CPE)range: < 3.2.0+git0.e134140d2-160000.3.1
- (no CPE)range: < 3.2.6+git0.81568b2d1-1.1
- (no CPE)range: < 2.4.22+git0.f8e3218e2-150400.3.25.1
- (no CPE)range: < 2.4.22+git0.f8e3218e2-150400.3.25.1
- (no CPE)range: < 2.8.11+git0.01c1056a4-150600.3.9.1
- (no CPE)range: < 2.8.11+git0.01c1056a4-150600.3.9.1
- (no CPE)range: < 3.2.0+git0.e134140d2-160000.3.1
- (no CPE)range: < 2.4.22+git0.f8e3218e2-150400.3.25.1
- (no CPE)range: < 2.4.22+git0.f8e3218e2-150400.3.25.1
- (no CPE)range: < 2.4.22+git0.f8e3218e2-150400.3.25.1
- (no CPE)range: < 3.2.0+git0.e134140d2-160000.3.1
- (no CPE)range: < 2.8.11+git0.01c1056a4-2.1
- (no CPE)range: < 2.8.11+git0.01c1056a4-slfo.1.1_2.1
- (no CPE)range: < 3.2.0+git0.e134140d2-160000.3.1
- HAProxy Technologies/HAProxy Community Editionv5Range: 2.4.0
Patches
Vulnerability mechanics
References
1News mentions
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