---
id: CVE-2026-12185
title: >-
  In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from
  untrusted lengths before integrity check
summary: >-
  In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from
  untrusted lengths before integrity check. This issue also affects Bouncy
  Castle for Java LTS before 2.73.12.
severity: medium
cwe:
  - CWE-789
  - CWE-1284
published: '2026-08-03'
updated: '2026-08-03'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-12185'
references:
  - url: >-
      https://github.com/bcgit/bc-java/commit/7bbd7fe5f44132e5b6140a2914435c12430eeb3d
    label: 91579145-5d7b-4cc5-b925-a0262ff19630
  - url: 'https://github.com/bcgit/bc-java/wiki/CVE-2026-12185'
    label: 91579145-5d7b-4cc5-b925-a0262ff19630
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12185.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-12185'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2510202'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-12185'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-12185'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
ingestedAt: '2026-08-03T01:21:07.564Z'
epss: 0.00291
epssPercentile: 0.21523
vendor: Red Hat
product: Red Hat Ceph Storage 9
affected:
  - amq_broker 7
  - build_of_apache_camel_for_spring_boot 4
  - build_of_keycloak
  - ceph_storage 9
  - fuse 7
  - jboss_enterprise_application_platform 7
  - jboss_enterprise_application_platform 8
  - jboss_enterprise_application_platform_expansion_pack
  - single_sign_on 7
  - openshift_developer_tools_and_services
  - ansible_automation_platform 2
  - openshift_ai_rhoai
  - openshift_dev_spaces
  - satellite 6
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cvssSource: vendor
---

## Overview

In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

## Remediation

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

## Vendor advisories

- **Red Hat VEX** · Moderate · affected: OpenShift Developer Tools and Services, Red Hat AMQ Broker 7, Red Hat Ansible Automation Platform 2, Red Hat build of Apache Camel for Spring Boot 4, Red Hat Build of Keycloak, Red Hat Ceph Storage 9, … · no fix planned: Red Hat JBoss Enterprise Application Platform 7, Red Hat Single Sign-On 7, OpenShift Developer Tools and Services, Red Hat AMQ Broker 7, … · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12185.json)