Upstream information
Description
Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. In versions 5.1.0 through 5.9.2, stringify and uneval functions serialize a typed array by emitting its entire backing ArrayBuffer rather than only the view, so serializing a Node Buffer, whose backing store is a process-wide shared pool, discloses up to 64 KB of unrelated process memory, including bytes from other in-flight requests. In a server-side-rendered framework such as SvelteKit or Nuxt, a public page whose load() returns a small Buffer, or that reads a small file, can therefore ship another user's request body or Authorization header in its HTML without authentication. Because this occurs during serialization, it fires on every such render and is not mitigated by the parse/unflatten prototype-pollution and denial-of-service guards, which only apply when parsing untrusted input. As a workaround, convert Node Buffer objects to Uint8Array before serialization. This issue has been fixed in version 5.9.3.SUSE information
Overall state of this security issue: Does not affect SUSE products
This issue is currently rated as having important severity.
| CVSS detail | CNA (GitHub) | SUSE |
|---|---|---|
| Base Score | 7.5 | 7.5 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Attack Vector | Network | Network |
| Attack Complexity | Low | Low |
| Privileges Required | None | None |
| User Interaction | None | None |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | High | High |
| Integrity Impact | None | None |
| Availability Impact | None | None |
| CVSSv3 Version | 3.1 | 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Please note that this evaluation state might be work in progress, incomplete or outdated.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 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Module for Python 3 15 SP7 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP7 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server for SAP Applications 15 SP7 | pgadmin4 | Analysis |
| Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP5 | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | pgadmin4 | Analysis |
| SUSE Linux Enterprise Module for Python 3 15 SP6 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Module for Server Applications 15 SP4 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Module for Server Applications 15 SP5 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP4 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP4-LTSS | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP5 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP5-LTSS | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP6 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP6-LTSS | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | pgadmin4 | Analysis |
| Products past their end of life and not receiving proactive updates anymore. | ||
| SUSE CaaS Platform 4.0 | pgadmin4 | Analysis |
| SUSE Enterprise Storage 6 | pgadmin4 | Analysis |
| SUSE Enterprise Storage 7 | pgadmin4 | Analysis |
| SUSE Enterprise Storage 7.1 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Desktop 15 SP6 | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP1 | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP2 | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP3 | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP4 | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | pgadmin4 | Analysis |
| SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | pgadmin4 | Analysis |
| SUSE Linux Enterprise Module for Server Applications 15 SP1 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Module for Server Applications 15 SP2 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Module for Server Applications 15 SP3 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Real Time 15 SP2 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Real Time 15 SP3 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Real Time 15 SP4 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP1 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP1-BCL | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP1-LTSS | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP2 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP2-BCL | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP2-LTSS | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP3 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP3-BCL | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server 15 SP3-LTSS | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server for SAP Applications 15 SP1 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server for SAP Applications 15 SP2 | pgadmin4 | Analysis |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | pgadmin4 | Analysis |
| SUSE Manager Proxy 4.0 | pgadmin4 | Analysis |
| SUSE Manager Proxy 4.1 | pgadmin4 | Analysis |
| SUSE Manager Proxy 4.2 | pgadmin4 | Analysis |
| SUSE Manager Proxy 4.3 | pgadmin4 | Analysis |
| SUSE Manager Proxy LTS 4.3 | pgadmin4 | Analysis |
| SUSE Manager Retail Branch Server 4.0 | pgadmin4 | Analysis |
| SUSE Manager Retail Branch Server 4.1 | pgadmin4 | Analysis |
| SUSE Manager Retail Branch Server 4.2 | pgadmin4 | Analysis |
| SUSE Manager Retail Branch Server 4.3 | pgadmin4 | Analysis |
| SUSE Manager Retail Branch Server LTS 4.3 | pgadmin4 | Analysis |
| SUSE Manager Server 4.0 | pgadmin4 | Analysis |
| SUSE Manager Server 4.1 | pgadmin4 | Analysis |
| SUSE Manager Server 4.2 | pgadmin4 | Analysis |
| SUSE Manager Server 4.3 | pgadmin4 | Analysis |
| SUSE Manager Server LTS 4.3 | pgadmin4 | Analysis |
| openSUSE Leap 15.3 | pgadmin4 | Analysis |
| openSUSE Leap 15.4 | pgadmin4 | Analysis |
| openSUSE Leap 15.5 | pgadmin4 | Analysis |
| openSUSE Leap 15.6 | pgadmin4 | Analysis |
SUSE Timeline for this CVE
CVE page created: Wed Sep 23 12:58:49 2026CVE page last modified: Thu Sep 24 17:41:44 2026