jwt-go allows excessive memory allocation during header parsing

Brocade ASC-Gateway OVA

1 more products

36215

15 October 2025

15 October 2025

CLOSED

HIGH

7.5 High -- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2025-30204

Brocade Security Advisory ID

BSA-2025-3010

Component

jwt-go

 

 

Summary

golang-jwt is vulnerable to excessive memory allocation due to improper handling of the parse.ParseUnverified function. This could allow an attacker to cause significant memory consumption by sending a malicious request with an Authorization header containing many period characters.

Products Affected

  • Brocade ASCG versions before 3.3.0a

Products Not Affected

  • Brocade Fabric OS
    [VEX Justification: Component_not_present]
  • Brocade SANnav
    [VEX Justification: Vulnerable_code_not_in_execute_path]

Solution

  • Security update provided in Brocade ASCG 3.3.0a

 

Revision History

Version

Change

Date

1.0

Initial Publication

October 14, 2025

 

Disclaimer

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