In the Bouncy Castle JCE Provider version 1.55 and earlier the DHIES implementation allowed the use of ECB mode. This mode is regarded as unsafe and support for it has been removed from the provider.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade bouncycastle | Jul 30, 2024 | Jun 4, 2018 |
| Suse | — | Upgrade bouncycastleUpgrade bouncycastle-pg | Jun 16, 2018 | Jun 4, 2018 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Jun 4, 2018 |
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