High [CVE-2026-84782] Information disclosure via DTLS handshake retransmission
This high-severity Red Hat Linux advisory covers CVE-2026-84782; related products: Red Hat Hardened Images, Ansible Automation Orchestrator 2026, Confidential Cluster Operator.
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Summary
Information disclosure via DTLS handshake retransmission. Red Hat rates this important (CVSS 7.4).
Weakness: CWE-125. Red Hat lists fixing advisory RHSA-2026:74162 with package ruby3-4-main-3.4.10-31.7.hum1, rust-bootupd-main-0.3.2-1.hum1, openssl-main-3.5.9-0.1.hum1, openssl3-main-3.5.9-0.1.hum1.
Affected products named by the advisory: Red Hat Hardened Images; Ansible Automation Orchestrator 2026; Confidential Cluster Operator; Confidential Compute Attestation; and 53 more.
Affected products named by the advisory: Lightspeed Core; Logging Subsystem for Red Hat OpenShift; Migration Toolkit for Applications 8; OpenShift Lightspeed; and 49 more.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
- ruby3-4-main-3.4.10-31.7.hum1
- rust-bootupd-main-0.3.2-1.hum1
- openssl-main-3.5.9-0.1.hum1
- openssl3-main-3.5.9-0.1.hum1
- chunkah-main-0.7.0-1.1.hum1
- python-cryptography-main-50.0.0-1.hum1
- ruby3-3-main-3.3.10-23.6.hum1
- RHSA-2026:74162
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
Mitigation
Upgrade to a fixed release: ruby3-4-main-3.4.10-31.7.hum1, rust-bootupd-main-0.3.2-1.hum1, openssl-main-3.5.9-0.1.hum1, openssl3-main-3.5.9-0.1.hum1, chunkah-main-0.7.0-1.1.hum1, python-cryptography-main-50.0.0-1.hum1. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
Discussion(0)
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