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4 vulnerabilities found for Apache HttpComponents Core by Apache Software Foundation
CVE-2026-54428 (GCVE-0-2026-54428)
Vulnerability from nvd – Published: 2026-07-01 17:03 – Updated: 2026-07-01 18:15
VLAI
Title
Apache HttpComponents Core: HPackDecoder Unlimited Header List Size Before SETTINGS ACK
Summary
Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder 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 oversized compressed header blocks before the HTTP/2 SETTINGS acknowledgement causes the configured header list size limit to be applied.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HttpComponents Core |
Affected:
5.5-alpha , ≤ 5.5-beta1
(maven)
Affected: 5.0-alpha , ≤ 5.4.2 (maven) |
Credits
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CVE-2026-54399 (GCVE-0-2026-54399)
Vulnerability from nvd – Published: 2026-07-01 17:02 – Updated: 2026-07-01 17:36
VLAI
Title
Apache HttpComponents Core: Unbounded HTTP Header/Line Length in Default Configuration
Summary
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
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HttpComponents Core |
Affected:
5.5-alpha , ≤ 5.5-beta1
(maven)
Affected: 5.0-alpha , ≤ 5.4.2 (maven) |
Credits
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CVE-2026-54428 (GCVE-0-2026-54428)
Vulnerability from cvelistv5 – Published: 2026-07-01 17:03 – Updated: 2026-07-01 18:15
VLAI
Title
Apache HttpComponents Core: HPackDecoder Unlimited Header List Size Before SETTINGS ACK
Summary
Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder 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 oversized compressed header blocks before the HTTP/2 SETTINGS acknowledgement causes the configured header list size limit to be applied.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HttpComponents Core |
Affected:
5.5-alpha , ≤ 5.5-beta1
(maven)
Affected: 5.0-alpha , ≤ 5.4.2 (maven) |
Credits
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CVE-2026-54399 (GCVE-0-2026-54399)
Vulnerability from cvelistv5 – Published: 2026-07-01 17:02 – Updated: 2026-07-01 17:36
VLAI
Title
Apache HttpComponents Core: Unbounded HTTP Header/Line Length in Default Configuration
Summary
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
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HttpComponents Core |
Affected:
5.5-alpha , ≤ 5.5-beta1
(maven)
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Credits
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