CVE-2025-43864

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Source
https://cve.org/CVERecord?id=CVE-2025-43864
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-43864.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-43864
Aliases
Downstream
CLSA (11)
Published
2025-04-25T00:18:16Z
Modified
2026-10-21T02:53:32Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
React Router allows a DoS via cache poisoning by forcing SPA mode
Details

React Router is a router for React. Starting in version 7.2.0 and prior to version 7.5.2, it is possible to force an application to switch to SPA mode by adding a header to the request. If the application uses SSR and is forced to switch to SPA, this causes an error that completely corrupts the page. If a cache system is in place, this allows the response containing the error to be cached, resulting in a cache poisoning that strongly impacts the availability of the application. This issue has been patched in version 7.5.2.

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-755"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/43xxx/CVE-2025-43864.json"
}
References

Affected packages

Git / github.com/remix-run/react-router

Affected ranges

Type
GIT
Repo
https://github.com/remix-run/react-router
Events
Introduced
4b5793dc97dd8f72c56b761427a371f102858434
Fixed
5819e0c45df69a0b4ac582497e5adb1c089385b5
Fixed
c84302972a152d851cf5dd859ff332b354b70111
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "7.2.0"
                },
                {
                    "fixed":  "7.5.2"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StringRangeExpression"
        },
        {
            "range":  [
                {
                    "fixed":  "c84302972a152d851cf5dd859ff332b354b70111"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-43864.json"