CVE-2026-59650
Fixed in a distro release EPSS <1%CVSS 9.3
In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12.
Products: Legion of the Bouncy Castle Inc. BC-JAVA, Legion of the Bouncy Castle Inc. BC-LTS-JAVA
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux 2023 | bouncycastle | 1.70-4.amzn2023.0.8 |
| Amazon Linux 2023 | bouncycastle-javadoc | 1.70-4.amzn2023.0.8 |
| Amazon Linux 2023 | bouncycastle-mail | 1.70-4.amzn2023.0.8 |
| Amazon Linux 2023 | bouncycastle-pg | 1.70-4.amzn2023.0.8 |
| Amazon Linux 2023 | bouncycastle-pkix | 1.70-4.amzn2023.0.8 |
| Amazon Linux 2023 | bouncycastle-tls | 1.70-4.amzn2023.0.8 |
| Amazon Linux 2023 | bouncycastle-util | 1.70-4.amzn2023.0.8 |
| Chainguard | keycloak-26.6 | 26.6.7-r1 |
| Chainguard | keycloak-26.6-iamguarded-compat | 26.6.7-r1 |
| Chainguard | keycloak-26.7 | 26.7.4-r1 |
| Chainguard | keycloak-26.7-iamguarded-compat | 26.7.4-r1 |
| Debian 12 | bouncycastle | no fix |
| Debian 13 | bouncycastle | no fix |
| Debian 14 | bouncycastle | 1.86-1 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | bouncycastle | 1.85-150200.3.38.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | bouncycastle | 1.85-150200.3.38.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | bouncycastle | 1.85-150200.3.38.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | bouncycastle | 1.85-150200.3.38.1 |
| SUSE Linux Enterprise Module for Development Tools 15 SP7 | bouncycastle | 1.85-150200.3.38.1 |
| SUSE Linux Enterprise Server 15 SP4-LTSS | bouncycastle | 1.85-150200.3.38.1 |
| SUSE Linux Enterprise Server 15 SP5-LTSS | bouncycastle | 1.85-150200.3.38.1 |
| SUSE Linux Enterprise Server 15 SP6-LTSS | bouncycastle | 1.85-150200.3.38.1 |
| SUSE Linux Enterprise Server 16.0 | bouncycastle | 1.85-160000.1.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | bouncycastle | 1.85-150200.3.38.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | bouncycastle | 1.85-150200.3.38.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | bouncycastle | 1.85-150200.3.38.1 |
| SUSE Linux Enterprise Server for SAP applications 16.0 | bouncycastle | 1.85-160000.1.1 |
| Ubuntu 26.04 LTS | bouncycastle | no fix |
| Ubuntu 26.10 | bouncycastle | no fix |
| Ubuntu Pro 16.04 LTS | bouncycastle | no fix |
| Ubuntu Pro 18.04 LTS | bouncycastle | no fix |
| Ubuntu Pro 20.04 LTS | bouncycastle | no fix |
| Ubuntu Pro 22.04 LTS | bouncycastle | no fix |
| Ubuntu Pro 24.04 LTS | bouncycastle | no fix |
| Wolfi | keycloak-26.6 | 26.6.7-r1 |
| Wolfi | keycloak-26.6-iamguarded-compat | 26.6.7-r1 |
| openSUSE Leap 16.0 | bouncycastle | 1.85-160000.1.1 |
| openSUSE Tumbleweed | bouncycastle | 1.85-1.1 |