High [CVE-2026-3505] unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion
This high-severity Red Hat Linux advisory covers CVE-2026-3505 affecting Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8, Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9, OpenShift Developer Tools and Services.
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Summary
unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-770. Affected package(s): eap8-bouncycastle, bcpg-jdk18on, bcpg-fips, bcpg-jdk15on.
Resolved in Red Hat advisory RHSA-2026:18054 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9; OpenShift Developer Tools and Services; Red Hat AMQ Clients; and 6 more.
- eap8-bouncycastle-0:1.84.0-1.redhat_00001.1.el8eap
- bcpg-jdk18on
- bcpg-fips
- eap8-bouncycastle-0:1.84.0-1.redhat_00001.1.el9eap
- bcpg-jdk15on
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:18054
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:18054 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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