Logging Monitoring

Windows Server 2022 — KB5035857 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5035857 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5035857 • MSRC update-guide entry Related CVEs: CVE-2024-21407 CVE-2024-21408 CVE-2024-21429 CVE-2024-21430 CVE-2024-21438 CVE-2024-21439 CVE-2024-21441 CVE-2024-21442  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Table of […]

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Debian 11 — olm — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — olm — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 November 2024 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-34813 CVE-2021-44538 CVE-2024-45191 CVE-2024-45192 CVE-2024-45193 Upstream summary: Matrix libolm before 3.2.3 allows a malicious Matrix homeserver to crash a client (while it is attempting to retrieve an Olm […]

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Alpine Linux 3.20 — nethack — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — nethack — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 3.6.7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — nethack 3.6.7-r0 Related CVEs: CVE-2023-24809 CVE-2019-19905 Upstream summary: Alpine community repository for vv3.20 ships nethack 3.6.7-r0 which addresses CVE-2023-24809. Table of contents Symptom & Impact […]

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NetBSD 9.4 — cvsweb — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — cvsweb — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-1000998 Upstream summary: pkgsrc audit-packages flagged cvsweb<3.0 for vulnerability class 'cross-site-scripting'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-1000998 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Alpine Linux 3.19 — exempi — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — exempi — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 2.5.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — exempi 2.5.1-r0 Related CVEs: CVE-2018-12648 Upstream summary: Alpine community repository for vv3.19 ships exempi 2.5.1-r0 which addresses CVE-2018-12648. Table of contents Symptom & Impact Environment […]

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Ubuntu 16.04 — cloud-init — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — cloud-init — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 November 2024 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7677-1 Related CVEs: CVE-2024-6174 CVE-2024-11584 CVE-2023-1786 https://bugs.launchpad.net/cloud-init/+bug/2013967 Upstream summary: Harry Sintonen discovered that the hotplugd socket in cloud-init was world writable. An attacker could possibly use this issue to send […]

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NetBSD 9.4 — nginx — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — nginx — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2011-4315 CVE-2013-2028 CVE-2013-4547 CVE-2019-9511 CVE-2019-9513 CVE-2019-9516 CVE-2022-25139 CVE-2009-2629  +12 more Upstream summary: pkgsrc audit-packages flagged nginx<1.0.10 for vulnerability class 'arbitrary-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4315 Table of contents Symptom & Impact Environment […]

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Ubuntu 20.04 — nova — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nova — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 November 2024 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6911-1 Related CVEs: CVE-2024-40767 CVE-2024-32498 https://launchpad.net/bugs/2020111 https://launchpad.net/bugs/2019460 CVE-2023-2088 CVE-2015-9543 CVE-2017-18191 CVE-2020-17376  +3 more Upstream summary: Arnaud Morin discovered that Nova incorrectly handled certain raw format images. An authenticated user could […]

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NetBSD 9.4 — ghostscript-gnu — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ghostscript-gnu — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged ghostscript-gnu<7.07 for vulnerability class 'privilege-escalation'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0354 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Oracle Linux 9 — fence-agents — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — fence-agents — vulnerability — patch and remediation guide (ELSA-2024-3820)

🟡 Medium   ⏱ 10–30 min  Last verified: 13 November 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3820 Related CVEs: CVE-2024-34064 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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