A vulnerability in Legion of the Bouncy Castle Inc. BC-FJA BC-FIPS on Linux, X86_64, AVX, AVX-512f.

This vulnerability is associated with program files gcm128w, gcm512w.



This issue affects BC-FJA: from 2.1.0 through 2.1.2.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

If possible pass whole message to GCM via doFinal(..) for decryption. Issue only occurs when decryption is chunked at certain boundaries.

History

Fri, 08 May 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 08 May 2026 06:30:00 +0000

Type Values Removed Values Added
Description A vulnerability in Legion of the Bouncy Castle Inc. BC-FJA BC-FIPS on Linux, X86_64, AVX, AVX-512f. This vulnerability is associated with program files gcm128w, gcm512w. This issue affects BC-FJA: from 2.1.0 through 2.1.2.
Title GCM chunking can lead to bad tag exception on decryption
Weaknesses CWE-1068
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/S:N/RE:M/U:Amber'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: bcorg

Published:

Updated: 2026-05-08T12:51:03.873Z

Reserved: 2026-05-08T05:23:49.585Z

Link: CVE-2026-8149

cve-icon Vulnrichment

Updated: 2026-05-08T12:50:59.531Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-08T07:16:29.603

Modified: 2026-05-08T15:38:02.517

Link: CVE-2026-8149

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-08T08:30:04Z

Weaknesses