Bug 2496101 (CVE-2026-54399) - CVE-2026-54399 org.apache.httpcomponents.core5/httpcore5: Apache HttpComponents Core: Denial of Service via excessive HTTP headers
Summary: CVE-2026-54399 org.apache.httpcomponents.core5/httpcore5: Apache HttpComponen...
Keywords:
Status: NEW
Alias: CVE-2026-54399
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-01 18:02 UTC by OSIDB Bzimport
Modified: 2026-08-21 08:45 UTC (History)
132 users (show)

Fixed In Version:
Clone Of:
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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:48118 0 None None None 2026-07-30 07:45:07 UTC
Red Hat Product Errata RHSA-2026:54622 0 None None None 2026-08-13 14:52:01 UTC

Description OSIDB Bzimport 2026-07-01 18:02:32 UTC 
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
Comment 4 errata-xmlrpc 2026-07-30 07:44:59 UTC 
This issue has been addressed in the following products:

  Red Hat Build of Apache Camel 4.18 for Quarkus 3.33

Via RHSA-2026:48118 https://access.redhat.com/errata/RHSA-2026:48118
Comment 5 errata-xmlrpc 2026-08-13 14:51:54 UTC 
This issue has been addressed in the following products:

  Red Hat build of Apache Camel 4.18.3 for Spring Boot 3.5.16

Via RHSA-2026:54622 https://access.redhat.com/errata/RHSA-2026:54622
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