CVEvulnerability
CVE-2026-54399
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-07-01
- Last modified
- 2026-10-25
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-400
Description
Uncontrolled Resource Consumption vulnerability in the HTTP/1.1 message parser in Apache HttpComponents Core (5.4.2 and earlier, 5.5-beta1 and earlier) allows an remote attacker to cause a denial of service through memory exhaustion by sending messages with excessive number of headers / excessive header length
Affected configurations
• apache httpcomponents core (>= 5.0 <= 5.4.2)
• apache httpcomponents core 5.5
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://lists.apache.org/thread/zmxh1pl2zohov5ntdh4lt85gfrlchgpy Mailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/07/01/4 Mailing List, Third Party Advisory