Critical vulnerability 'CVE-2026-91403' in Java: The truth is the eMudhra certificate issue | Patched versions and what to do if you cannot update

There is a critical vulnerability in Oracle Java SE that allows for data theft and tampering. This news broke on the night of ...

Following PHP, now Java... A week of continuous vulnerability reports

While I was researching the PHP vulnerability 'PHP2Shell,' I started to become concerned about security information regarding ...
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How to Safely Download and Install Java on Windows, Mac, and Linux in 2026

To download Java on macOS: Visit Oracle Java Downloads or a trusted OpenJDK provider. Select the macOS installer (usually a ...
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Azul Expands Monthly Java Security Updates as AI Reshapes Enterprise Patching

Azul is moving to monthly Java security updates across supported long-term support releases, following Oracle's decision to shorten its own patch cadence. The change reflects growing concern that ...

「Oracle Java SE」にも致命的な脆弱性 ～リモートでデータの窃取・作成・削除・変更が可能

米Oracleは10月21日（現地時間）、定例外のセキュリティアドバイザリ「CVE-2026-91403」を公開した。「Oracle Java SE」に起因し、「Oracle GraalVM Enterprise Edition」や「Oracle GraalVM for JDK」にも影響する、致命的な脆弱性が修正されている。

Oracle Javaに55件の脆弱性 IPAが「早急に適用を」と促す対象は

独立行政法人情報処理推進機構（IPA）は2026年10月21日、「Oracle ...