{"schema_version":1,"title":"Legion of the Bouncy Castle BouncyCastle.Cryptography vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 11 vulnerabilities in Legion of the Bouncy Castle BouncyCastle.Cryptography: 0 in the last 7 days and 11 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-63578, was published on 2 October 2026. Nothing in the last four weeks, down from 11 vulnerabilities in the four before.","url":"https://junglewise.ai/threats/technologies/legion-of-the-bouncy-castle-bouncycastle-cryptography","json_url":"https://junglewise.ai/threats/technologies/legion-of-the-bouncy-castle-bouncycastle-cryptography.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/legion-of-the-bouncy-castle-bouncycastle-cryptography","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":false,"counts":{"high":0,"all_time":11,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":11,"last_365_days":11},"latest":[{"cve":"CVE-2026-63578","epss":0.0033,"slug":"cve-2026-63578-allocation-of-resources-without-limits-in-password-based-private","title":"Bouncy Castle Cryptography unbounded resource allocation in password-based key decryption","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:03.087+00:00","url":"https://junglewise.ai/threats/cve-2026-63578-allocation-of-resources-without-limits-in-password-based-private"},{"cve":"CVE-2026-63577","epss":0.0024,"slug":"cve-2026-63577-improper-certificate-validation-in-the-directoryname-name","title":"Bouncy Castle improper certificate name-constraint validation","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:02.937+00:00","url":"https://junglewise.ai/threats/cve-2026-63577-improper-certificate-validation-in-the-directoryname-name"},{"cve":"CVE-2026-63576","epss":0.0022,"slug":"cve-2026-63576-improper-certificate-validation-in-pkixnameconstraintvalidator","title":"Bouncy Castle C# improper certificate validation in URI name constraints","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:02.787+00:00","url":"https://junglewise.ai/threats/cve-2026-63576-improper-certificate-validation-in-pkixnameconstraintvalidator"},{"cve":"CVE-2026-63575","epss":0.0019,"slug":"cve-2026-63575-loop-with-unreachable-exit-condition-in-the-pkcs-12-key","title":"Bouncy Castle C# PKCS#12 key derivation denial of service","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:02.643+00:00","url":"https://junglewise.ai/threats/cve-2026-63575-loop-with-unreachable-exit-condition-in-the-pkcs-12-key"},{"cve":"CVE-2026-63574","epss":0.0032,"slug":"cve-2026-63574-memory-allocation-with-excessive-size-value-in-the-openpgp","title":"Bouncy Castle memory exhaustion in OpenPGP subpacket parsing","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:02.477+00:00","url":"https://junglewise.ai/threats/cve-2026-63574-memory-allocation-with-excessive-size-value-in-the-openpgp"},{"cve":"CVE-2026-63573","epss":0.0031,"slug":"cve-2026-63573-observable-discrepancy-in-the-cms-rsa-pkcs-1-v1-5-key-transport","title":"Bouncy Castle RSA PKCS#1 v1.5 padding oracle in CMS key-transport","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:02.317+00:00","url":"https://junglewise.ai/threats/cve-2026-63573-observable-discrepancy-in-the-cms-rsa-pkcs-1-v1-5-key-transport"},{"cve":"CVE-2026-63570","epss":0.0021,"slug":"cve-2026-63570-loop-with-unreachable-exit-condition-in-pkcs12store","title":"Bouncy Castle .NET infinite loop in certificate chain parsing","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:01.833+00:00","url":"https://junglewise.ai/threats/cve-2026-63570-loop-with-unreachable-exit-condition-in-pkcs12store"},{"cve":"CVE-2026-103602","epss":0.0024,"slug":"cve-2026-103602-improper-certificate-validation-in-pkixnameconstraintvalidator","title":"Bouncy Castle certificate name constraint validation bypass","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:00.677+00:00","url":"https://junglewise.ai/threats/cve-2026-103602-improper-certificate-validation-in-pkixnameconstraintvalidator"},{"cve":"CVE-2026-63568","epss":0.0032,"slug":"cve-2026-63568-allocation-of-resources-without-limits-or-throttling-in-the-cmp","title":"Bouncy Castle CMP/CRMF password-based MAC resource exhaustion","severity":"info","exploited":false,"published_at":"2026-10-02T07:16:37.267+00:00","url":"https://junglewise.ai/threats/cve-2026-63568-allocation-of-resources-without-limits-or-throttling-in-the-cmp"},{"cve":"CVE-2026-63566","epss":0.0037,"slug":"cve-2026-63566-memory-allocation-with-excessive-size-value-in-the-dtls-handshake","title":"Bouncy Castle DTLS handshake reassembly memory exhaustion","severity":"info","exploited":false,"published_at":"2026-10-02T07:16:36.973+00:00","url":"https://junglewise.ai/threats/cve-2026-63566-memory-allocation-with-excessive-size-value-in-the-dtls-handshake"},{"cve":"CVE-2026-15999","epss":0.0023,"slug":"cve-2026-15999-improper-validation-of-integrity-check-value-in-the-aes-ccm","title":"Bouncy Castle AES-CCM authentication tag validation bypass","severity":"info","exploited":false,"published_at":"2026-10-02T07:16:36.193+00:00","url":"https://junglewise.ai/threats/cve-2026-15999-improper-validation-of-integrity-check-value-in-the-aes-ccm"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":11},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Legion of the Bouncy Castle BouncyCastle.Cryptography","slug":"legion-of-the-bouncy-castle-bouncycastle-cryptography","vendor":{"hub":true,"name":"Legion of the Bouncy Castle","slug":"legion-of-the-bouncy-castle","url":"https://junglewise.ai/threats/vendors/legion-of-the-bouncy-castle"},"aliases":[],"category":"library","description":"BouncyCastle.Cryptography is a .NET cryptography library providing encryption and security algorithms.","url":"https://junglewise.ai/threats/technologies/legion-of-the-bouncy-castle-bouncycastle-cryptography"},"most_severe":[{"cve":"CVE-2026-63566","epss":0.0037,"slug":"cve-2026-63566-memory-allocation-with-excessive-size-value-in-the-dtls-handshake","title":"Bouncy Castle DTLS handshake reassembly memory exhaustion","severity":"info","exploited":false,"published_at":"2026-10-02T07:16:36.973+00:00","url":"https://junglewise.ai/threats/cve-2026-63566-memory-allocation-with-excessive-size-value-in-the-dtls-handshake"},{"cve":"CVE-2026-63578","epss":0.0033,"slug":"cve-2026-63578-allocation-of-resources-without-limits-in-password-based-private","title":"Bouncy Castle Cryptography unbounded resource allocation in password-based key decryption","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:03.087+00:00","url":"https://junglewise.ai/threats/cve-2026-63578-allocation-of-resources-without-limits-in-password-based-private"},{"cve":"CVE-2026-63574","epss":0.0032,"slug":"cve-2026-63574-memory-allocation-with-excessive-size-value-in-the-openpgp","title":"Bouncy Castle memory exhaustion in OpenPGP subpacket parsing","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:02.477+00:00","url":"https://junglewise.ai/threats/cve-2026-63574-memory-allocation-with-excessive-size-value-in-the-openpgp"},{"cve":"CVE-2026-63568","epss":0.0032,"slug":"cve-2026-63568-allocation-of-resources-without-limits-or-throttling-in-the-cmp","title":"Bouncy Castle CMP/CRMF password-based MAC resource exhaustion","severity":"info","exploited":false,"published_at":"2026-10-02T07:16:37.267+00:00","url":"https://junglewise.ai/threats/cve-2026-63568-allocation-of-resources-without-limits-or-throttling-in-the-cmp"},{"cve":"CVE-2026-63573","epss":0.0031,"slug":"cve-2026-63573-observable-discrepancy-in-the-cms-rsa-pkcs-1-v1-5-key-transport","title":"Bouncy Castle RSA PKCS#1 v1.5 padding oracle in CMS key-transport","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:02.317+00:00","url":"https://junglewise.ai/threats/cve-2026-63573-observable-discrepancy-in-the-cms-rsa-pkcs-1-v1-5-key-transport"},{"cve":"CVE-2026-63577","epss":0.0024,"slug":"cve-2026-63577-improper-certificate-validation-in-the-directoryname-name","title":"Bouncy Castle improper certificate name-constraint validation","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:02.937+00:00","url":"https://junglewise.ai/threats/cve-2026-63577-improper-certificate-validation-in-the-directoryname-name"},{"cve":"CVE-2026-103602","epss":0.0024,"slug":"cve-2026-103602-improper-certificate-validation-in-pkixnameconstraintvalidator","title":"Bouncy Castle certificate name constraint validation bypass","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:00.677+00:00","url":"https://junglewise.ai/threats/cve-2026-103602-improper-certificate-validation-in-pkixnameconstraintvalidator"},{"cve":"CVE-2026-15999","epss":0.0023,"slug":"cve-2026-15999-improper-validation-of-integrity-check-value-in-the-aes-ccm","title":"Bouncy Castle AES-CCM authentication tag validation bypass","severity":"info","exploited":false,"published_at":"2026-10-02T07:16:36.193+00:00","url":"https://junglewise.ai/threats/cve-2026-15999-improper-validation-of-integrity-check-value-in-the-aes-ccm"},{"cve":"CVE-2026-63576","epss":0.0022,"slug":"cve-2026-63576-improper-certificate-validation-in-pkixnameconstraintvalidator","title":"Bouncy Castle C# improper certificate validation in URI name constraints","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:02.787+00:00","url":"https://junglewise.ai/threats/cve-2026-63576-improper-certificate-validation-in-pkixnameconstraintvalidator"},{"cve":"CVE-2026-63570","epss":0.0021,"slug":"cve-2026-63570-loop-with-unreachable-exit-condition-in-pkcs12store","title":"Bouncy Castle .NET infinite loop in certificate chain parsing","severity":"info","exploited":false,"published_at":"2026-10-02T08:17:01.833+00:00","url":"https://junglewise.ai/threats/cve-2026-63570-loop-with-unreachable-exit-condition-in-pkcs12store"}],"generated_at":"2026-11-09T03:07:00.176479+00:00"}