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CVE-2025-11230

Denial of service vulnerability in HAProxy mjson library

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.4.30, 2.6.23, 2.8.16, 3.0.12, 3.1.9, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • HAProxy Technologies HAProxy Community Edition

    From 2.4.0 · fixed in 2.4.30; From 2.6.0 · fixed in 2.6.23; From 2.8.0 · fixed in 2.8.16; From 3.0.0 · fixed in 3.0.12; From 3.1.0 · fixed in 3.1.9; From 3.2.0 · fixed in 3.2.6

References 1

haproxy.com