---
id: CVE-2026-59645
title: >-
  In Bouncy Castle for Java before 1.85, OER parser recurses without depth limit
  on self-referential IEEE 1609.2 schema
summary: >-
  In Bouncy Castle for Java before 1.85, OER parser recurses without depth limit
  on self-referential IEEE 1609.2 schema. This issue also affects Bouncy Castle
  for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before
  bcu…
severity: high
cwe:
  - CWE-674
  - CWE-835
published: '2026-08-03'
updated: '2026-08-03'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-59645'
references:
  - url: >-
      https://github.com/bcgit/bc-java/commit/822b2478b131097368a56290f5728e28dd042989
    label: 91579145-5d7b-4cc5-b925-a0262ff19630
  - url: 'https://github.com/bcgit/bc-java/wiki/CVE-2026-59645'
    label: 91579145-5d7b-4cc5-b925-a0262ff19630
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-59645.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-59645'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2510189'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-59645'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-59645'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
ingestedAt: '2026-08-03T01:21:07.900Z'
epss: 0.0031
epssPercentile: 0.24085
vendor: Red Hat
product: Red Hat Enterprise Linux 9
affected:
  - enterprise_linux 8
  - enterprise_linux 9
  - jboss_enterprise_application_platform 7
  - single_sign_on 7
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cvssSource: vendor
---

## Overview

In Bouncy Castle for Java before 1.85, OER parser recurses without depth limit on self-referential IEEE 1609.2 schema. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcutil-fips 2.0.7 (2.0.X series) and 2.1.7 (2.1.X series).

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat JBoss Enterprise Application Platform 7, Red Hat Single Sign-On 7 · no fix planned: Red Hat JBoss Enterprise Application Platform 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Single Sign-On 7 · updated 2026-09-08 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-59645.json)