Legion of the Bouncy Castle Legion of the Bouncy Castle Java Cryptography APIs 1.58 up to but not including 1.60 contains a CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in XMSS/XMSS^MT private key deserialization that can result in Deserializing an XMSS/XMSS^MT private key can result in the execution of unexpected code. This attack appear to be exploitable via A handcrafted private key can include references to unexpected classes which will be picked up from the class path for the executing application. This vulnerability appears to have been fixed in 1.60 and later.
CVE-2018-1000613
This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 5.0%, top 10% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 90.8%
- KEV
- Not listed
Published
July 9, 2018
Last Modified
May 12, 2025
Advisory Details (4)
Auto-updated Jun 7, 2026commit cd98322b171b (bcgit/bc-java)
Fix landed in bcgit/bc-java commit cd98322b171b — awaiting tagged release
https://github.com/bcgit/bc-java/commit/cd98322b171b15b3f88c5ec871175147893c31e6#diff-148a6c098af0199192d6aede960f45dccommit 4092ede58da5 (bcgit/bc-java)
Fix landed in bcgit/bc-java commit 4092ede58da5 — awaiting tagged release
https://github.com/bcgit/bc-java/commit/4092ede58da51af9a21e4825fbad0d9a3ef5a223#diff-2c06e2edef41db889ee14899e12bd574Affected Packages
(1 across 1 ecosystem)
Maven(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| org.bouncycastle:bcprov-jdk15on | 1.57, 1.58, 1.59 | 1.60 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 42× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:24 UTCEPSS rescore
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- 2026-07-04 04:26 UTCOSV refresh
- 2026-07-02 16:54 UTCEPSS rescore
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- 2026-06-21 14:54 UTCEPSS rescore
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- 2026-06-15 16:43 UTCOSV refresh
- 2026-06-14 23:14 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 05:29 UTCEG score recompute
- 2026-05-27 13:38 UTCEPSS rescore
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- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-25 16:46 UTCOSV refresh
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Dependency Blast Radius
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