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Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4.24 security update

0
High
Published: 04/30/2026 (04/30/2026, 11:14:58 UTC)
Source: GCVE Database
Vendor/Project: Red Hat Product Security
Product: Red Hat

Description

A security update for Red Hat JBoss Enterprise Application Platform 7.4 addresses a vulnerability in the BouncyCastle Java library that could lead to private key leakage due to non-constant time comparisons. The issue is tracked as CVE-2026-5598 and is rated with a high severity by Red Hat Product Security. The update upgrades BouncyCastle from version 1.78.1 to 1.84+ to fix the flaw. Users are advised to apply this patch after ensuring all previous errata are applied and to back up their installations before updating.

Affected software

Affected versions
>=7.4.0 <7.4.24

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/08/2026, 16:47:34 UTC

Technical Analysis

Red Hat JBoss Enterprise Application Platform 7.4 includes a security fix for CVE-2026-5598, a vulnerability in the BouncyCastle Java library where private keys could be leaked via non-constant time comparisons. This flaw is categorized under CWE-385 (Use of Constant-Time Comparison). The fix involves upgrading BouncyCastle from version 1.78.1 to 1.84 or later. The advisory is rated as Important by Red Hat and affects JBoss EAP 7.4 ELS for RHEL 7, 8, and 9. No CVSS score is provided in the advisory, but the severity is considered high. The vendor provides detailed instructions for applying the update and recommends backing up existing installations before patching.

Potential Impact

The vulnerability could allow an attacker to leak private keys due to timing differences in cryptographic comparisons, potentially compromising cryptographic security within applications running on Red Hat JBoss Enterprise Application Platform 7.4. This could affect the confidentiality and integrity of sensitive data protected by these keys. The issue is rated as high severity by Red Hat Product Security.

Mitigation Recommendations

A security update is available that upgrades the BouncyCastle library to version 1.84 or later, which fixes the private key leakage vulnerability. Users should apply the Red Hat JBoss Enterprise Application Platform 7.4.24 security update after ensuring all previously released errata are applied. It is recommended to back up all applications, configuration files, databases, and settings before applying the patch. Follow Red Hat's official guidance for applying updates: https://access.redhat.com/articles/11258.

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Technical Details

Gcve Source
db.gcve.eu
Csaf Category
csaf_security_advisory
Csaf Version
2.0
Publisher
Red Hat Product Security
Advisory Id
RHSA-2026:12269
Cve Count
1
Additional Cves
[]
Cvss Version
null

Threat ID: 6a3eafe76e08203f7dca506f

Added to database: 06/26/2026, 16:59:19 UTC

Last enriched: 08/08/2026, 16:47:34 UTC

Last updated: 08/10/2026, 00:41:17 UTC

Views: 43

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