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CVE-2025-58186

5.3 medium SSVC exploitation: none Deferred
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 5.3NVD modified 2026-10-11 20:10

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 5