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VULNERABILITIES

CVE-2026-59647 Details

Description

In Bouncy Castle for Java before 1.85, CRMF/CMP password-MAC honours unbounded iteration count. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/bcgit/bc-java/commit/c99d6427d6818d04165b07b45dfda96f2b384c53 bcorgPatch
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059647 bcorgThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-770Allocation of Resources Without Limits or Throttlingbcorg

Affected Products

ProductVersions
bouncycastle bc-java
< 1.85

CPE

  • cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
bouncycastle bcpkix-fips
< 1.0.12
>= 2.0.7, < 2.0.12
>= 2.1.8, < 2.1.12

CPE

  • cpe:2.3:a:bouncycastle:bcpkix-fips:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
bouncycastle bouncy castle for java lts
<= 2.73.11

CPE

  • cpe:2.3:a:bouncycastle:bouncy_castle_for_java_lts:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-59647
NVD Published Date:
Aug 3, 2026
NVD Last Modified:
Aug 28, 2026
Source:
bcorg
CVE-2026-59647 Details - Not Deferred