How severe is CVE-2019-17359?

CVE-2019-17359 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-17359 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-17359?

CVE-2019-17359 primarily affects Bouncycastle Bc-java. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-17359?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-17359 published?

CVE-2019-17359 was published on 2019-10-08 and last updated on 2026-06-17.

CVE-2019-17359

CVE-2019-17359 is a high-severity vulnerability in Bouncycastle Bc-java with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Bouncycastle Bc-java
Published: 2019-10-08
Last modified: 2026-06-17

Description

The ASN.1 parser in Bouncy Castle Crypto (aka BC Java) 1.63 can trigger a large attempted memory allocation, and resultant OutOfMemoryError error, via crafted ASN.1 data. This is fixed in 1.64.

Frequently asked questions

What is CVE-2019-17359?: The ASN.1 parser in Bouncy Castle Crypto (aka BC Java) 1.63 can trigger a large attempted memory allocation, and resultant OutOfMemoryError error, via crafted ASN.1 data. This is fixed in 1.64.
How severe is CVE-2019-17359?: CVE-2019-17359 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-17359 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17359?: CVE-2019-17359 primarily affects Bouncycastle Bc-java. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-17359?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-17359 published?: CVE-2019-17359 was published on 2019-10-08 and last updated on 2026-06-17.

References

Affected products (34)

cpe:2.3:a:bouncycastle:bc-java:1.63:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomee:7.0.7:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomee:7.1.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomee:8.0.1:*:*:*:*:*:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:linux:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:windows:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:oncommand_api_services:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:service_level_manager:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:business_process_management_suite:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:business_process_management_suite:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_convergence:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_session_route_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:data_integrator:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:flexcube_private_banking:12.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:flexcube_private_banking:12.1.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:hospitality_guest_access:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:managed_file_transfer:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:managed_file_transfer:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:peoplesoft_enterprise_hcm_global_payroll_switzerland:9.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:*
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_xstore_point_of_service:18.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:soa_suite:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:soa_suite:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:webcenter_portal:11.1.1.9.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:webcenter_portal:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:webcenter_portal:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*

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