Bug 2496101 (CVE-2026-54399) - CVE-2026-54399 org.apache.httpcomponents/httpcore: Apache HttpComponents Core: Denial of Service via excessive HTTP headers
Summary: CVE-2026-54399 org.apache.httpcomponents/httpcore: Apache HttpComponents Core...
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:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-01 18:02 UTC by OSIDB Bzimport
Modified: 2026-07-07 09:12 UTC (History)
128 users (show)

Fixed In Version:
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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
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