This vulnerability is associated with program files gcm128w, gcm512w.
This issue affects BC-FJA: from 2.1.0 through 2.1.2.
Metrics
Affected Vendors & Products
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-mx76-r943-rf8g | Bouncy Castle has a vulnerability in program files gcm128w, gcm512w |
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.
| Link | Providers |
|---|---|
| https://do-not-publish.bouncycastle.org/do_not_publish |
|
Sun, 10 May 2026 21:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Bouncycastle
Bouncycastle bc-fja |
|
| Vendors & Products |
Bouncycastle
Bouncycastle bc-fja |
Fri, 08 May 2026 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
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
|
Projects
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Status: PUBLISHED
Assigner: bcorg
Published:
Updated: 2026-05-08T12:51:03.873Z
Reserved: 2026-05-08T05:23:49.585Z
Link: CVE-2026-8149
Updated: 2026-05-08T12:50:59.531Z
Status : Awaiting Analysis
Published: 2026-05-08T07:16:29.603
Modified: 2026-05-08T15:38:02.517
Link: CVE-2026-8149
No data.
OpenCVE Enrichment
Updated: 2026-05-10T21:26:04Z
Github GHSA