apache/httpcomponents-core · Security
Apache HttpComponents Core HTTP/1 header parsing can cause memory-exhaustion denial of service
- GHSA ID
- GHSA-hf6x-8p5f-cgmf
- CVE ID
- CVE-2026-54399
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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 a remote attacker to cause a denial of service through memory exhaustion by sending messages with excessive number of headers / excessive header length
CWEs
- CWE-400 · Uncontrolled Resource Consumption
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-54399 ↗
- https://lists.apache.org/thread/zmxh1pl2zohov5ntdh4lt85gfrlchgpy ↗
- http://www.openwall.com/lists/oss-security/2026/07/01/4 ↗
- https://github.com/apache/httpcomponents-core/commit/d96a00fec9b2e19f8005e35681df5f6cd6e21a9e ↗
- https://github.com/apache/httpcomponents-core/commit/fdc53a32fe0fccf098cc67e71cd125e447c759ed ↗
- https://github.com/advisories/GHSA-hf6x-8p5f-cgmf ↗