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Vulnerability record · CVE-2018-1000180 · published 5 June 2018

CVE-2018-1000180: Bouncycastle bc-java broken cryptographic algorithm vulnerability

Bouncycastle · Bc Java

Bouncy Castle BC 1.54 - 1.59, BC-FJA 1.0.0, BC-FJA 1.0.1 and earlier have a flaw in the Low-level interface to RSA key pair generator, specifically RSA Key Pairs generated in low-level API with added certainty may have less M-R tests than expected. This appears to be fixed in versions BC 1.60 beta 4 and later, BC-FJA 1.0.2 and later.

7.5 CVSS 3.0 High EPSS 3.6% · top 11.0% CWE-327 · Broken cryptographic algorithm
7.5CVSS 3.0 base score, v2 5.0
3.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
20Affected product versions listed by NVD
42References
17 Jun 2026Last modified by NVD

Description

Bouncy Castle BC 1.54 - 1.59, BC-FJA 1.0.0, BC-FJA 1.0.1 and earlier have a flaw in the Low-level interface to RSA key pair generator, specifically RSA Key Pairs generated in low-level API with added certainty may have less M-R tests than expected. This appears to be fixed in versions BC 1.60 beta 4 and later, BC-FJA 1.0.2 and later.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

20 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/106567 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:2423 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2424 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2425 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2428 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2643 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2669 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0877 Third Party Advisory
https://github.com/bcgit/bc-java/commit/22467b6e8fe19717ecdf201c0cf91bacf04a55ad PatchThird Party Advisory
https://github.com/bcgit/bc-java/commit/73780ac522b7795fc165630aba8d5f5729acc839 PatchThird Party Advisory
https://github.com/bcgit/bc-java/wiki/CVE-2018-1000180
https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apac
https://security.netapp.com/advisory/ntap-20190204-0003/ PatchThird Party Advisory
https://www.bountysource.com/issues/58293083-rsa-key-generation-computation-of-iterations-for-mr-primality-test Third Party Advisory
https://www.debian.org/security/2018/dsa-4233 Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html PatchThird Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html PatchThird Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
http://www.securityfocus.com/bid/106567 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:2423 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2424 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2425 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2428 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2643 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2669 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0877 Third Party Advisory
https://github.com/bcgit/bc-java/commit/22467b6e8fe19717ecdf201c0cf91bacf04a55ad PatchThird Party Advisory
https://github.com/bcgit/bc-java/commit/73780ac522b7795fc165630aba8d5f5729acc839 PatchThird Party Advisory
https://github.com/bcgit/bc-java/wiki/CVE-2018-1000180
https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apac
https://security.netapp.com/advisory/ntap-20190204-0003/ PatchThird Party Advisory
https://www.bountysource.com/issues/58293083-rsa-key-generation-computation-of-iterations-for-mr-primality-test Third Party Advisory
https://www.debian.org/security/2018/dsa-4233 Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-1000180), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.