Red Hat Security Advisory: JBoss EAP XP 5.0 Update 4.0 release. See references for release notes.
Red Hat JBoss EAP XP 5.0 Update 4.0 includes security fixes for multiple vulnerabilities: a cache manipulation issue in vertx-core that can deny access to static files (CVE-2026-1002), a denial of service vulnerability in Netty's BrotliDecoder via a zip bomb style attack (CVE-2025-58057), and an information disclosure vulnerability in lz4-java due to insufficient output buffer clearing (CVE-2025-66566). These issues are addressed in this update release.
AI Analysis
Technical Summary
The Red Hat JBoss EAP XP 5.0 Update 4.0 release addresses three security vulnerabilities: CVE-2026-1002 involves manipulation of the static handler component cache in vertx-core, potentially denying access to static files. CVE-2025-58057 is a denial of service vulnerability in Netty's BrotliDecoder caused by a zip bomb style attack. CVE-2025-66566 concerns information disclosure in lz4-java due to insufficient clearing of output buffers. The update is an important security advisory from Red Hat Product Security and includes these fixes as part of the general availability release.
Potential Impact
The vulnerabilities can lead to denial of service conditions by manipulating cache or exploiting decompression logic, and information disclosure through improper buffer handling. Specifically, CVE-2026-1002 can deny access to static files by cache manipulation, CVE-2025-58057 can cause application DoS via crafted compressed data, and CVE-2025-66566 may expose sensitive information due to insufficient buffer clearing.
Mitigation Recommendations
Red Hat has released JBoss EAP XP 5.0 Update 4.0 which includes fixes for these vulnerabilities. Users should apply this update after ensuring all previously released errata relevant to their system have been applied. Detailed upgrade and migration instructions are available in the Red Hat JBoss EAP documentation. No additional mitigation steps are indicated beyond applying this official update.
Red Hat Security Advisory: JBoss EAP XP 5.0 Update 4.0 release. See references for release notes.
Description
Red Hat JBoss EAP XP 5.0 Update 4.0 includes security fixes for multiple vulnerabilities: a cache manipulation issue in vertx-core that can deny access to static files (CVE-2026-1002), a denial of service vulnerability in Netty's BrotliDecoder via a zip bomb style attack (CVE-2025-58057), and an information disclosure vulnerability in lz4-java due to insufficient output buffer clearing (CVE-2025-66566). These issues are addressed in this update release.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Red Hat JBoss EAP XP 5.0 Update 4.0 release addresses three security vulnerabilities: CVE-2026-1002 involves manipulation of the static handler component cache in vertx-core, potentially denying access to static files. CVE-2025-58057 is a denial of service vulnerability in Netty's BrotliDecoder caused by a zip bomb style attack. CVE-2025-66566 concerns information disclosure in lz4-java due to insufficient clearing of output buffers. The update is an important security advisory from Red Hat Product Security and includes these fixes as part of the general availability release.
Potential Impact
The vulnerabilities can lead to denial of service conditions by manipulating cache or exploiting decompression logic, and information disclosure through improper buffer handling. Specifically, CVE-2026-1002 can deny access to static files by cache manipulation, CVE-2025-58057 can cause application DoS via crafted compressed data, and CVE-2025-66566 may expose sensitive information due to insufficient buffer clearing.
Mitigation Recommendations
Red Hat has released JBoss EAP XP 5.0 Update 4.0 which includes fixes for these vulnerabilities. Users should apply this update after ensuring all previously released errata relevant to their system have been applied. Detailed upgrade and migration instructions are available in the Red Hat JBoss EAP documentation. No additional mitigation steps are indicated beyond applying this official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:3951
- Cve Count
- 3
- Additional Cves
- ["CVE-2025-66566","CVE-2026-1002"]
- Cvss Version
- null
Threat ID: 6a160988e29bf47b5065333d
Added to database: 05/26/2026, 20:58:48 UTC
Last enriched: 07/30/2026, 09:30:01 UTC
Last updated: 07/31/2026, 19:22:56 UTC
Views: 116
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