Package Management

Debian 11 — sdl-image1.2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — sdl-image1.2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 24, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-6697 CVE-2008-0544 CVE-2017-12122 CVE-2017-14440 CVE-2017-14441 CVE-2017-14442 CVE-2017-14448 CVE-2017-14450  +12 more Upstream summary: Buffer overflow in the LWZReadByte function in IMG_gif.c in SDL_image before 1.2.7 allows remote attackers to […]

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How to Configure Disk Mirroring with LVM on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure Disk Mirroring with LVM on IBM AIX 7.3

  • January 24, 2023
  • IBM AIX
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Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure disk mirroring with lvm on IBM AIX 7.3 […]

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Windows Server 2019 — KB5019961 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5019961 — security update — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5019961 • MSRC update-guide entry Related CVEs: CVE-2023-21712 Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Ubuntu 20.04 — virglrenderer — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — virglrenderer — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • January 24, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 24 January 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5309-1 Related CVEs: CVE-2022-0135 CVE-2022-0175 Upstream summary: It was discovered that virglrenderer incorrectly handled memory. An attacker inside a guest could use this issue to cause virglrenderer to crash, resulting […]

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Ubuntu 22.04 — jupyter-core — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — jupyter-core — vulnerability — patch and remediation guide

  • January 24, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 24 January 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6153-1 Related CVEs: CVE-2022-39286 Upstream summary: It was discovered that Jupyter Core executed untrusted files in the current working directory. An attacker could possibly use this issue to execute arbitrary […]

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Ubuntu 20.04 — tang — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — tang — vulnerability — patch and remediation guide

  • January 24, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 24 January 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6489-1 Related CVEs: CVE-2023-1672 Upstream summary: Brian McDermott discovered that Tang incorrectly handled permissions when creating/rotating keys. A local attacker could possibly use this issue to read the keys. Table […]

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Windows Server 2019 — KB5022838 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5022838 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5022838 • MSRC update-guide entry Related CVEs: CVE-2023-21808 CVE-2023-21689 CVE-2023-21690 CVE-2023-21692 CVE-2023-21684 CVE-2023-21701 CVE-2023-21797 CVE-2023-21798  +12 more Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Windows Server 2019 […]

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SLES 15 — fwupd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — fwupd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • January 24, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 January 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:1681-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-10759 CVE-2022-3287 Upstream summary: A PGP signature bypass flaw was found in fwupd (all versions), which could lead to the installation of unsigned firmware. As […]

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

Oracle Linux 8 — istio — vulnerability — patch and remediation guide (ELSA-2023-12780)

  • January 24, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12780 Related CVEs: CVE-2023-35942 CVE-2023-35941 CVE-2023-35944 CVE-2023-35943 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Oracle Linux 9 — open-vm-tools — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — open-vm-tools — vulnerability — patch and remediation guide (ELSA-2023-5313)

  • January 24, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5313 Related CVEs: CVE-2023-20900 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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