CVE-2025-58186

MediumCVSS 5.3/10Last modified Oct 11, 2026

Description

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected software

No affected versions have been published.

Timeline

Published
Oct 29, 2025
Last modified
Oct 11, 2026
NVD status
Deferred

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