Security Hardening

Debian 13 — libdbd-mysql-perl — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libdbd-mysql-perl — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-9906 CVE-2015-8949 CVE-2016-1246 CVE-2016-1249 CVE-2016-1251 CVE-2017-10788 CVE-2017-10789 Upstream summary: Use-after-free vulnerability in DBD::mysql before 4.029 allows attackers to cause a denial of service (program crash) or possibly execute […]

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Debian 13 — xmltooling — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — xmltooling — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3474 CVE-2009-3475 CVE-2009-3476 CVE-2015-0851 CVE-2018-0486 CVE-2018-0489 CVE-2019-9628 CVE-2023-36661 Upstream summary: OpenSAML 2.x before 2.2.1 and XMLTooling 1.x before 1.2.1, as used by Internet2 Shibboleth Service Provider 2.x before […]

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Debian 13 — snmptt — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — snmptt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 January 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-24361 Upstream summary: SNMPTT before 1.4.2 allows attackers to execute shell code via EXEC, PREXEC, or unknown_trap_exec. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Debian 13 — ident2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ident2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0408 Upstream summary: Buffer overflow in the child_service function in the ident2 ident daemon allows remote attackers to execute arbitrary code. Table of contents Symptom & Impact Environment […]

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Windows Server 2019 — KB5065435 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5065435 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5065435 • MSRC update-guide entry Related CVEs: CVE-2025-54107 CVE-2025-54917 Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to […]

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SLES 16 — argyllcms — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — argyllcms — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2012-1616 Upstream summary: Use-after-free vulnerability in icclib before 2.13, as used by Argyll CMS before 1.4 and possibly other programs, allows remote attackers to cause […]

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Oracle Linux 8 — libxml2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libxml2 — vulnerability — patch and remediation guide (ELSA-2025-2686)

🟠 High   ⏱ 15–60 min  Last verified: 11 January 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-2686 Related CVEs: CVE-2024-56171 CVE-2025-24928 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Windows Server 2016 — KB5066742 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5066742 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5066742 • MSRC update-guide entry Related CVEs: CVE-2025-55248 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 Microsoft summary: Inadequate encryption strength in .NET.NET Framework, Visual Studio allows an […]

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SLES 16 — libSDL2_ttf — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libSDL2_ttf — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2022-27470 Upstream summary: SDL_ttf v2.0.18 and below was discovered to contain an arbitrary memory write via the function TTF_RenderText_Solid(). This vulnerability is triggered via a […]

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FreeBSD 12 — postgresql14-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — postgresql14-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 January 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PostgreSQL — Multiple vulnerabilities Related CVEs: CVE-2021-23214 CVE-2021-23222 CVE-2022-1552 CVE-2024-10976 CVE-2024-10978 CVE-2024-7348 CVE-2025-4207 CVE-2025-8713  +12 more Upstream summary: The PostgreSQL project reports: Missing authorization in PostgreSQL CREATE TYPE allows an […]

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