Upstream information
Description
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.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having important severity.
| CVSS detail | CNA (CISA-ADP) |
|---|---|
| Base Score | 7.5 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | High |
| CVSSv3 Version | 3.1 |
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.
| Product(s) | Source package | State |
|---|---|---|
| Products under general support and receiving all security fixes. | ||
| SUSE Linux Enterprise Desktop 15 SP7 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP7 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Module for Development Tools 15 SP7 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 15 SP7 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 16.0 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 16.1 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP7 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server for SAP applications 16.0 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server for SAP applications 16.1 | httpcomponents-core | Not affected |
| openSUSE Leap 16.0 | httpcomponents-core | Not affected |
| Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
| SUSE Linux Enterprise High Performance Computing 15 SP4 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | httpcomponents-core | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP5 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Module for Development Tools 15 SP4 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Module for Development Tools 15 SP5 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Module for Development Tools 15 SP6 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 15 SP4 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 15 SP4-LTSS | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 15 SP5 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 15 SP5-LTSS | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 15 SP6 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 15 SP6-LTSS | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | httpcomponents-core | Not affected |
| SUSE Manager Proxy 4.3 | httpcomponents-core | Not affected |
| SUSE Manager Retail Branch Server 4.3 | httpcomponents-core | Not affected |
| SUSE Manager Server 4.3 | httpcomponents-core | Not affected |
| SUSE Manager Server LTS 4.3 | httpcomponents-core | Not affected |
| SUSE Manager Server Module 4.3 | httpcomponents-core | Not affected |
| Products past their end of life and not receiving proactive updates anymore. | ||
| SUSE Enterprise Storage 7 | httpcomponents-core | Not affected |
| SUSE Enterprise Storage 7.1 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Desktop 15 SP2 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Desktop 15 SP3 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Desktop 15 SP4 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Desktop 15 SP5 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Desktop 15 SP6 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP2 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS | httpcomponents-core | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | httpcomponents-core | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP3 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS | httpcomponents-core | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | httpcomponents-core | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | httpcomponents-core | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | httpcomponents-core | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP6 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Module for Development Tools 15 SP2 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Module for Development Tools 15 SP3 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Real Time 15 SP2 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Real Time 15 SP3 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Real Time 15 SP4 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 15 SP2 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 15 SP2-BCL | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 15 SP2-LTSS | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 15 SP3 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 15 SP3-BCL | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server 15 SP3-LTSS | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP2 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | httpcomponents-core | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | httpcomponents-core | Not affected |
| SUSE Manager Proxy 4.1 | httpcomponents-core | Not affected |
| SUSE Manager Proxy 4.2 | httpcomponents-core | Not affected |
| SUSE Manager Retail Branch Server 4.1 | httpcomponents-core | Not affected |
| SUSE Manager Retail Branch Server 4.2 | httpcomponents-core | Not affected |
| SUSE Manager Server 4.1 | httpcomponents-core | Not affected |
| SUSE Manager Server 4.2 | httpcomponents-core | Not affected |
| SUSE Manager Server Module 4.2 | httpcomponents-core | Not affected |
| openSUSE Leap 15.3 | httpcomponents-core | Not affected |
| openSUSE Leap 15.4 | httpcomponents-core | Not affected |
| openSUSE Leap 15.5 | httpcomponents-core | Not affected |
| openSUSE Leap 15.6 | httpcomponents-core | Not affected |
| Container Status | ||
| bci/openjdk-devel bci/openjdk-devel:11 bci/openjdk-devel:17 bci/openjdk-devel:21 containers/apache-pulsar:3.3 suse/manager/5.0/x86_64/server suse/multi-linux-manager/5.1/x86_64/server suse/multi-linux-manager/5.2/x86_64/server | httpcomponents-core | Not affected |
SUSE Timeline for this CVE
CVE page created: Wed Jul 1 19:01:55 2026CVE page last modified: Thu Jul 2 17:40:45 2026