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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource allocation limits
MITRE ATT&CK

1 technique across 1 tactic: Impact

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could exhaust system resources through uncontrolled allocation by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 8.9% exploitation probability (EPSS)

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AnalysisAI

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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Set resource limits, implement rate limiting, validate input sizes.

Affected Packages

maven org.bouncycastle:bcprov-jdk14 fix: 1.64

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in maven

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Allocation of Resources Without Limits (CWE-770), which allows attackers to exhaust system resources through uncontrolled allocation. 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. Affected products include: Bouncycastle Bc-Java, Apache Tomee, Netapp Active Iq Unified Manager, Netapp Oncommand Api Services, Netapp Oncommand Workflow Automation.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score
8.9%
Top 5% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 8.9%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +9
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

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:*:*:*:*:*:*:*
+ 14 more
CVE-2017-13098 HIGH POC
7.5 Dec 13

BouncyCastle TLS prior to version 1.0.3, when configured to use the JCE (Java Cryptography Extension) for cryptographic

CVE-2020-28052 HIGH POC
8.1 Dec 18

An issue was discovered in Legion of the Bouncy Castle BC Java 1.65 and 1.66. Rated high severity (CVSS 8.1), this vulne

CVE-2018-1000613 CRITICAL
9.8 Jul 09

Legion of the Bouncy Castle Legion of the Bouncy Castle Java Cryptography APIs 1.58 up to but not including 1.60 contain

CVE-2026-8763 CRITICAL
9.3 Aug 03

Certificate name-constraint bypass in Bouncy Castle for Java allows a crafted certificate to escape X.509 permitted/excl

CVE-2026-59638 CRITICAL
9.3 Aug 03

TLS hostname-verification bypass in the Bouncy Castle for Java JSSE provider (BCJSSE) ships the legacy certificate-CN fa

CVE-2026-59650 CRITICAL
9.3 Aug 03

Private key recovery in Bouncy Castle for Java (bc-java before 1.85, bc-lts-java before 2.73.12) affects the DH agreemen

CVE-2026-58062 CRITICAL
9.3 Aug 03

Certificate revocation-check bypass in the Bouncy Castle for Java (bc-java) PKIX provider allows a validly-signed OCSP r

CVE-2025-14813 CRITICAL
9.3 Apr 15

GOST CTR block cipher in Bouncy Castle BC-JAVA processes only the first 255 blocks correctly, causing silent data corrup

CVE-2026-71885 CRITICAL
9.2 Oct 03

Bouncy Castle for Java's Messaging Layer Security (MLS, RFC 9420) implementation before 1.86 fails to bind an X.509 cred

CVE-2026-5598 HIGH
8.9 Apr 15

Non-constant time comparison operations in the Legion of the Bouncy Castle BC-JAVA cryptographic library (core modules,

CVE-2026-58060 HIGH
8.7 Aug 03

Uncontrolled memory allocation in Bouncy Castle for Java's HSS public-key parser allows remote unauthenticated attackers

CVE-2026-58059 HIGH
8.7 Aug 03

CPU exhaustion in Bouncy Castle for Java allows remote attackers to cause denial of service by supplying X.500 distingui

References

Advisories & patches
PATCH https://www.oracle.com/security-alerts/cpuapr2020.html PATCH https://www.oracle.com/security-alerts/cpujan2020.html PATCH https://www.oracle.com/security-alerts/cpujan2021.html PATCH https://www.oracle.com/security-alerts/cpujul2020.html PATCH https://www.oracle.com/security-alerts/cpuoct2020.html ADVISORY https://www.bouncycastle.org/latest_releases.html ADVISORY https://www.bouncycastle.org/releasenotes.html REF https://lists.apache.org/thread.html/r02f887807a49cfd1f1ad53f7a61f3f8e12f60ba2c930bec163031209%40%3Ccommits.tomee.apache.org%3E REF https://lists.apache.org/thread.html/r16c3a90cb35ae8a9c74fd5c813c16d6ac255709c9f9d71cd409e007d%40%3Ccommits.tomee.apache.org%3E REF https://lists.apache.org/thread.html/r467ade3fef3493f1fff1a68a256d087874e1f858ad1de7a49fe05d27%40%3Ccommits.tomee.apache.org%3E REF https://lists.apache.org/thread.html/r4d475dcaf4f57115fa57d8e06c3823ca398b35468429e7946ebaefdc%40%3Ccommits.tomee.apache.org%3E REF https://lists.apache.org/thread.html/r79b6a6aa0dd1aeb57bd253d94794bc96f1ec005953c4bd5414cc0db0%40%3Ccommits.tomee.apache.org%3E REF https://lists.apache.org/thread.html/r8ecb5b76347f84b6e3c693f980dbbead88c25f77b815053c4e6f2c30%40%3Ccommits.tomee.apache.org%3E REF https://lists.apache.org/thread.html/r91b07985b1307390a58c5b9707f0b28ef8e9c9e1c86670459f20d601%40%3Ccommits.tomee.apache.org%3E REF https://lists.apache.org/thread.html/re60f980c092ada4bfe236dcfef8b6ca3e8f3b150fc0f51b8cc13d59d%40%3Ccommits.tomee.apache.org%3E REF https://security.netapp.com/advisory/ntap-20191024-0006/

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