In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA | unaffected |
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| Legion of the Bouncy Castle Inc. | BC-LTS-JAVA | unaffected |
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| Legion of the Bouncy Castle Inc. | BC-FJA | unaffected |
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Advisories
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Fixes
Solution
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Workaround
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References
History
Mon, 03 Aug 2026 06:45:00 +0000
| Type | Values Removed | Values Added |
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| References |
Mon, 03 Aug 2026 04:00:00 +0000
| Type | Values Removed | Values Added |
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| Description | In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series). | |
| Title | CMS AuthEnvelopedData fails to enforce tag-length on decryption | |
| Weaknesses | CWE-354 | |
| References |
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| Metrics |
cvssV4_0
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Projects
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MITRE
Status: PUBLISHED
Assigner: bcorg
Published:
Updated: 2026-08-03T05:59:51.721Z
Reserved: 2026-06-20T23:07:20.197Z
Link: CVE-2026-12802
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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Weaknesses