🟠 High ⏱ 5–30 min Last verified: 19 April 2021 Affected versions: Windows Server 2019 📖 ~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 Errors […]
🟢 Low ⏱ 5–15 min Last verified: 19 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: remind — buffer overflow with malicious reminder file input Related CVEs: CVE-2015-5957 Upstream summary: Dianne Skoll reports: BUG FIX: Fix a buffer overflow found by Alexander Keller. The bug can […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2021:4217 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
How to Configure Windows Server 2016 Group Policy Troubleshooting Group Policy failures can prevent users from receiving correct desktop configurations, security settings, drive mappings, and software deployments. Diagnosing why a GPO is not applying—or why an unintended setting is being applied—requires a methodical approach using the tools built into Windows Server 2016. This tutorial covers […]
🟡 Medium ⏱ 10–30 min Last verified: 19 April 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7034-1 Related CVEs: https://launchpad.net/bugs/2081875 https://launchpad.net/bugs/2020089 https://launchpad.net/bugs/1998785 https://launchpad.net/bugs/1976631 https://launchpad.net/bugs/1944481 https://launchpad.net/bugs/1914064 https://launchpad.net/bugs/1900727 https://launchpad.net/bugs/1881533 Upstream summary: The ca-certificates package contained outdated CA certificates. This update refreshes the included certificates to those contained in […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2023-2307 Related CVEs: CVE-2021-36084 CVE-2021-36085 CVE-2021-36086 CVE-2021-36087 Upstream summary: The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper). (CVE-2021-36084) The CIL compiler in […]
🟡 Medium ⏱ 10–30 min Last verified: 19 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-4058 Related CVEs: CVE-2021-20254 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟠 High ⏱ 15–60 min Last verified: 19 April 2021 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Flash Player — arbitrary code execution Related CVEs: CVE-2017-11213 CVE-2017-11215 CVE-2017-11225 CVE-2017-11281 CVE-2017-11282 CVE-2017-11292 CVE-2017-2925 CVE-2017-2926 +12 more Upstream summary: Adobe reports: This update resolves a NULL pointer dereference vulnerability […]
🟠 High ⏱ 5–30 min Last verified: 18 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: Oracle Bug 31898488 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 […]
🟢 Low ⏱ 5–15 min Last verified: 18 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: syslog-ng2 — startup directory leakage in the chroot environment Related CVEs: CVE-2008-5110 Upstream summary: Florian Grandel reports: I have not had the time to analyze all of syslog-ng code. But […]
