🔴 Critical ⏱ 15–90 min Last verified: 19 May 2026 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-9063 CVE-2026-32776 CVE-2026-32777 CVE-2025-59375 CVE-2024-8176 CVE-2022-43680 CVE-2022-40674 CVE-2022-25235 +12 more Upstream summary: An integer overflow during the parsing of XML using the Expat library. This […]
🟠 High ⏱ 15–60 min Last verified: 19 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read • Source: AlmaLinux/RHEL advisory ALSA-2026:0845 Related CVEs: CVE-2025-6176 Upstream summary: Brotli is a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm, Huffman coding and 2nd […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2025-2977 Related CVEs: CVE-2025-7425 CVE-2025-49794 CVE-2025-49796 CVE-2025-6021 CVE-2017-9047 CVE-2024-56171 CVE-2025-24928 CVE-2025-27113 +12 more Upstream summary: A flaw was found in libxslt where the attribute type, atype, flags are modified in […]
🟠 High ⏱ 15–60 min Last verified: 19 May 2026 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2025:02339-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-6427 CVE-2025-6428 CVE-2025-6431 CVE-2025-6432 CVE-2025-6433 CVE-2025-6434 CVE-2025-6435 CVE-2025-6436 +12 more Upstream summary: An attacker was able to bypass the `connect-src` directive of a Content Security […]
🔴 Critical ⏱ 15–90 min Last verified: 19 May 2026 Affected versions: SLES 16 📖 ~4 min read • Source: SUSE advisory SUSE-FU-2022:0444-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-15801 CVE-2026-4224 CVE-2025-11468 CVE-2026-0672 CVE-2026-1299 CVE-2020-10735 CVE-2020-15523 CVE-2022-42919 +12 more Upstream summary: In Python 3.8.4, sys.path restrictions specified in a python38._pth file are ignored, allowing […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read • Source: Fedora update FEDORA-2026-e7dc1a8950 Related CVEs: CVE-2026-1502 CVE-2026-6100 CVE-2026-4786 CVE-2026-5713 CVE-2026-3219 Upstream summary: A new prerelease of Python 3.15 with fixes to several CVEs. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2026:5640 Related CVEs: CVE-2026-21936 CVE-2026-21937 CVE-2026-21941 CVE-2026-21948 CVE-2026-21964 CVE-2026-21968 CVE-2025-53040 CVE-2025-53042 +12 more Upstream summary: MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and […]
Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying set up an openvpn server both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up an OpenVPN Server on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]
🟠 High ⏱ 5–30 min Last verified: 18 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
Postfixは人気のあるオープンソースのメール転送エージェント（Mail Transfer Agent: MTA）であり、Linuxシステムで電子メールのルーティングや配信に使用できます。インターネット上のパブリックメールサーバーの約25％がPostfixを実行していると推定されます。このガイドでは、Ubuntu 20.04サーバーにPostfixをインストールして設定する方法を学びます。
