AUGUST 4, 2026
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Case File

CVE-2025-58186

MEDIUM · CVSS 5.3 EPSS 0.53%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-10-29 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. See the original NVD description below for full technical details.

CVE
CVE-2025-58186
Severity
MEDIUM
CVSS
5.3
EPSS
0.53%

Original NVD 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.