7.5

CVE-2026-54399

Apache HttpComponents Core: Unbounded HTTP Header/Line Length in Default Configuration

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
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Apache ≫ Httpcomponents Core Version >= 5.0 <= 5.4.2
Apache ≫ Httpcomponents Core Version 5.5 Update alpha1
Apache ≫ Httpcomponents Core Version 5.5 Update beta1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.57% 0.435
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource.

https://lists.apache.org/thread/zmxh1pl2zohov5ntdh4lt85gfrlchgpy
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http://www.openwall.com/lists/oss-security/2026/07/01/4
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