🟠 High ⏱ 15–60 min Last verified: 24 February 2023 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2022:1151-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-24407 CVE-2019-19906 CVE-2020-8032 CVE-2009-0688 Upstream summary: In Cyrus SASL 2.1.17 through 2.1.27 before 2.1.28, plugins/sql.c does not escape the password for a SQL INSERT or […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read • Source: Rocky Linux RXSA RLSA-2023:5994 Related CVEs: CVE-2023-40217 CVE-2023-32681 Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing. The python27 packages […]
🟡 Medium ⏱ 10–30 min Last verified: 24 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2024-1142 Related CVEs: CVE-2023-40225 CVE-2023-45539 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
Let’s Encryptは、無料のTLS /SSL証明書を取得してインストールし、Webサーバーで暗号化されたHTTPSを有効にする簡単な方法を提供する認証局(CA)です。必要な手順のほとんど（すべてではないにしても）の自動化を試みるソフトウェアクライアントCertbotを提供することにより、プロセスを簡素化します。 このチュートリアルでは、Certbotを使用して、Ubuntu 20.04上のNginx用の無料のSSL証明書を取得し、証明書が自動的に更新されるように設定します。
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2022-1804 Related CVEs: CVE-2022-1529 CVE-2022-1802 CVE-2020-16044 CVE-2020-15673 CVE-2020-15676 CVE-2020-15677 CVE-2020-15678 CVE-2020-15683 +12 more Upstream summary: The Mozilla Foundation Security Advisory describes this flaw as: An attacker could have sent a […]
Why Monitor Hyper-V with Performance Counters? Performance counters are the foundation of Hyper-V health monitoring on Windows Server 2022. They expose real-time and historical metrics for every layer of the virtualisation stack: hypervisor scheduling, virtual processor utilisation, memory pressure, virtual storage I/O, and virtual network throughput. Without monitoring these counters, capacity planning is guesswork and […]
🟠 High ⏱ 15–60 min Last verified: 23 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2022-5736 Related CVEs: CVE-2022-34169 CVE-2022-21541 CVE-2022-21549 CVE-2022-21540 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]
🟡 Medium ⏱ 5–30 min Last verified: 23 February 2023 📖 ~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 & Cross-Refs References & Further […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2024-2398 Related CVEs: CVE-2021-20289 CVE-2023-0482 Upstream summary: A flaw was found in RESTEasy in all versions of RESTEasy up to 4.6.0.Final. The endpoint class and method names are returned as […]
🟡 Medium ⏱ 5–30 min Last verified: 23 February 2023 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]
