January 2021 - Page 27 of 69

SLES 12 — java — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — java — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:0001-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-17631 CVE-2020-27221 CVE-2012-0497 CVE-2012-1533 CVE-2012-1682 CVE-2012-1713 CVE-2012-1716 CVE-2012-1723  +12 more Upstream summary: From Eclipse OpenJ9 0.15 to 0.16, access to diagnostic operations such as causing […]

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How to Configure Cross-Forest Trusts in Active Directory on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Cross-Forest Trusts in Active Directory on Windows Server 2012 R2

How to Configure Cross-Forest Trusts in Active Directory on Windows Server 2012 R2 Cross-forest trusts enable users in one Active Directory forest to access resources in another forest, enabling collaboration between organizations, supporting merger and acquisition scenarios, and allowing resource sharing between separate business units with independent IT governance. Windows Server 2012 R2 supports several […]

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Alpine Linux edge — squashfs-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — squashfs-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.5-r1 📖 ~4 min read  •  Source: Alpine secdb entry — squashfs-tools 4.5-r1 Related CVEs: CVE-2021-41072 CVE-2021-40153 Upstream summary: Alpine main repository for vedge ships squashfs-tools 4.5-r1 which addresses CVE-2021-41072. Table of contents Symptom & Impact […]

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Oracle Linux 8 — Bug fix of NetworkManager — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Bug fix of NetworkManager (ELSA-2025-0288)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-0288 Related CVEs: CVE-2024-3661 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 119058

Ubuntu 14.04 LTS Apache2 Fails with Address Already in Use

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 […]

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Common Problems 118495

UFW Blocks SSH or Application Ports Unexpectedly

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 […]

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Common Problems 115446

RHEL 7 service network Restart Drops Active SSH Sessions

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 7 📖 ~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 & […]

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openSUSE Tumbleweed — python36-sqlparse — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-sqlparse — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:3857-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-32839 Upstream summary: sqlparse is a non-validating SQL parser module for Python. In sqlparse versions 0.4.0 and 0.4.1 there is a regular Expression Denial of […]

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