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CVE-2024-41172: Apache CXF: Unrestricted memory consumption in CXF HTTP clients

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-19 · updated 2026-06-17
• Weakness: CWE-401

Description

In versions of Apache CXF before 3.6.4 and 4.0.5 (3.5.x and lower versions are not impacted), a CXF HTTP client conduit may prevent HTTPClient instances from being garbage collected and it is possible that memory consumption will continue to increase, eventually causing the application to run out of memory

Affected products

• Apache Software Foundation Apache CXF: from 3.6.0 before 3.6.4; from 4.0.0 before 4.0.5 — fixed in 3.6.4, 4.0.5

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache CXF 3.6.4, 4.0.5. Check the vendor advisory for mitigations.

References

• https://lists.apache.org/thread/n2hvbrgwpdtcqdccod8by28ynnolybl6
• http://www.openwall.com/lists/oss-security/2024/07/18/4
• https://lists.apache.org/thread/n2hvbrgwpdtcqdccod8by28ynnolybl6
• https://security.netapp.com/advisory/ntap-20240808-0008/

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