In Bouncy Castle for Java before 1.85, RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path. This issue also affects Bouncy Castle for Java LTS before 2.73.12.
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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Fixes
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Workaround
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References
History
Mon, 03 Aug 2026 04:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In Bouncy Castle for Java before 1.85, RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path. This issue also affects Bouncy Castle for Java LTS before 2.73.12. | |
| Title | RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path | |
| Weaknesses | CWE-347 | |
| References |
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| Metrics |
cvssV4_0
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Projects
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MITRE
Status: PUBLISHED
Assigner: bcorg
Published:
Updated: 2026-08-03T02:55:58.379Z
Reserved: 2026-06-22T07:51:11.945Z
Link: CVE-2026-12860
Vulnrichment
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OpenCVE Enrichment
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Weaknesses