In the Bouncy Castle JCE Provider version 1.55 and earlier the DHIES implementation…
Priority LOW 37CWE-310Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Partial Red Hat: 3 fixed, 4 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
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.
Why it matters now
EPSS 0.02166 82nd percentileScored 2026-11-07
Fix Partial org.bouncycastle:bcprov-jdk14 (Maven): 1.56org.bouncycastle:bcprov-jdk15 (Maven): 1.56+1 more productRed Hat: 2 advisoriesRed Hat: 3 fixed, 4 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.bouncycastle:bcprov-jdk14 (Maven) | before 1.56 | 1.56 | Patch available | GHSA-2j2x-hx4g-2gf4 |
| — | org.bouncycastle:bcprov-jdk15 (Maven) | before 1.56 | 1.56 | Patch available | GHSA-2j2x-hx4g-2gf4 |
| — | org.bouncycastle:bcprov-jdk15on (Maven) | before 1.56 | 1.56 | Patch available | GHSA-2j2x-hx4g-2gf4 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.bouncycastle:bcprov-jdk14 (Maven) Vendor— Affected before 1.56 Fixed in 1.56 Patch available GHSA-2j2x-hx4g-2gf4
- org.bouncycastle:bcprov-jdk15 (Maven) Vendor— Affected before 1.56 Fixed in 1.56 Patch available GHSA-2j2x-hx4g-2gf4
- org.bouncycastle:bcprov-jdk15on (Maven) Vendor— Affected before 1.56 Fixed in 1.56 Patch available GHSA-2j2x-hx4g-2gf4
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:* | up to 1.55 | Vulnerable | Legion of the Bouncy Castle Inc. |
- cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:* Versions up to 1.55 Vulnerable ·Legion of the Bouncy Castle Inc.
Remediation
- Fix · GHSA-2j2x-hx4g-2gf4 org.bouncycastle:bcprov-jdk14 (Maven) Fixed in 1.56 Advisory →
- Fix · GHSA-2j2x-hx4g-2gf4 org.bouncycastle:bcprov-jdk15 (Maven) Fixed in 1.56 Advisory →
- Fix · GHSA-2j2x-hx4g-2gf4 org.bouncycastle:bcprov-jdk15on (Maven) Fixed in 1.56 Advisory →
Red Hat 2 advisories
- RHSA-2018:2927 Released 2018-10-16 · Red Hat rating ImportantSatellite 6.4 security, bug fix, and enhancement update
- Red Hat Satellite 6.4 SOAPpy-0.11.6-17.el7, ansiblerole-insights-client-1.5-1.el7sat, candlepin-2.4.8-1.el7 +47
- Red Hat Satellite Capsule 6.4 SOAPpy-0.11.6-17.el7, ansiblerole-insights-client-1.5-1.el7sat, createrepo_c-0.7.4-1.el7sat +47
- RHSA-2018:2669 Released 2018-09-11 · Red Hat rating ImportantFuse 7.1 security update
- Red Hat Fuse 7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat JBoss Data Virtualization 6 | Affected | No fix planned: Out of support scope |
| Red Hat JBoss Fuse 6 | Affected | No fix planned: Will not fix |
| Red Hat Software Collections | Affected | No fix planned: Will not fix |
| Red Hat Subscription Asset Manager | Affected | No fix planned: Will not fix |
| Red Hat Fuse 7 | Fixed | RHSA-2018:2669 |
| Red Hat Satellite 6.4 | Fixed | RHSA-2018:2927 |
| Red Hat Satellite Capsule 6.4 | Fixed | RHSA-2018:2927 |
Not affected: 7 products
- JBoss Developer Studio 11
- Red Hat JBoss Data Grid 7
- Red Hat JBoss Enterprise Application Platform 7
- Red Hat JBoss Fuse Integration Service 2
- Red Hat OpenShift Application Runtimes
- Red Hat Single Sign-On 7
- Red Hat Virtualization 4
Timeline
- 2026-10-02 Threatist record created from CVE-2016-1000344
- 2026-10-03 Alias added: GHSA-2j2x-hx4g-2gf4
- 2026-11-03 Fix available: Red Hat Fuse 7 · Red Hat
References
Advisory 4
More Legion of the Bouncy Castle Inc. Bc-java vulnerabilities
- TI-2018-15967 Legion of the Bouncy Castle Legion of the Bouncy Castle Java Cryptography APIs 1.58 up to… CVSS 3.1CRITICAL 9.8
- TI-2017-09736 BouncyCastle JCE TLS Bleichenbacher/ROBOT CVSS 3.0HIGH 7.5
- TI-2026-42545 MTI/A0 DH agreement exponentiates unvalidated peer value CVSS 4.0CRITICAL 9.3
- TI-2026-42533 JSSE hostname verifier CN-fallback enabled by default despite documented opt-in CVSS 4.0CRITICAL 9.3
- TI-2026-41816 Stapled OCSP response accepted without binding to the checked certificate CVSS 4.0CRITICAL 9.3
- TI-2026-07701 Name Constraints bypass via trailing dot in rfc822Name and URI CVSS 4.0CRITICAL 9.3
Sources
- CVE-2016-1000344 · CVE Program
- CVE-2016-1000344 · NVD
- FIRST EPSS
- GHSA-2j2x-hx4g-2gf4 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-1000344 · Red Hat security data · CC BY 4.0
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