A flaw was found in the GLib Base64 encoding routine when processing very large input data (CVE-2026-1484)
39133
06 October 2026
06 October 2026
CLOSED
MEDIUM
4.2 Medium - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
CVE-2026-1484
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Brocade Security Advisory ID |
BSA-2026-3501 |
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Component |
Glib Base64 |
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CWE |
CWE-787 Out-of-bounds Write |
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Summary
A flaw was found in the GLib Base64 encoding routine when processing very large input data. Due to incorrect use of integer types during length calculation, the library may miscalculate buffer boundaries. This can cause memory writes outside the allocated buffer. Applications that process untrusted or extremely large Base64 input using GLib may crash or behave unpredictably.
Products Affected
- Brocade Fabric OS versions before 10.0.1
Products Not Affected
- Brocade SANnav is not affected by this vulnerability
[VEX Justification: Vulnerable_code_not_in_execute_path] - Brocade ASCG is not affected by this vulnerability
[VEX Justification: Vulnerable_code_not_in_execute_path]
Solution
- Security update provided in Brocade Fabric OS version 10.0.1
Revision History
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Version |
Change |
Date |
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1.0 |
Initial Publication |
10/06/2026 |
Disclaimer
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