cvedb.io
CVE-2025-58186
MEDIUM · CVSS 5.3
EPSS exploitation probability: 0%
Published 2025-10-29T23:16:19.547 · Last modified 2026-06-17T09:44:01.983

Summary

Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as "a=;", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.