Operations

Debian 12 — jakarta-jmeter — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — jakarta-jmeter — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1287 CVE-2018-1297 CVE-2019-0187 Upstream summary: In Apache JMeter 2.X and 3.X, when using Distributed Test only (RMI based), jmeter server binds RMI Registry to wildcard host. This could […]

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Ubuntu 20.04 — php-guzzlehttp-psr7 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — php-guzzlehttp-psr7 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 August 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6670-1 Related CVEs: CVE-2022-24775 CVE-2023-29197 Upstream summary: It was discovered that php-guzzlehttp-psr7 incorrectly parsed HTTP headers. A remote attacker could possibly use these issues to perform an HTTP header injection […]

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Windows Server 2019 — KB5026419 — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5026419 — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5026419 • MSRC update-guide entry Related CVEs: CVE-2023-28283 CVE-2023-24941 CVE-2023-24903 CVE-2023-24943 CVE-2023-29325 CVE-2023-28251 CVE-2023-24939 CVE-2023-24900  +6 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Ubuntu 18.04 — virtuoso-opensource — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — virtuoso-opensource — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 August 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6879-1 Related CVEs: CVE-2023-31620 CVE-2023-31622 CVE-2023-31624 CVE-2023-31626 CVE-2023-31627 CVE-2023-31629 CVE-2023-31630 CVE-2023-31631  +12 more Upstream summary: Jingzhou Fu discovered that Virtuoso Open-Source Edition incorrectly handled certain crafted SQL statements. An attacker […]

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Windows Server 2019 — KB5027230 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5027230 — 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 KB5027230 • MSRC update-guide entry Related CVEs: CVE-2023-24897 CVE-2023-29363 CVE-2023-32014 CVE-2023-32015 CVE-2023-24895 CVE-2023-29326 CVE-2023-29331 CVE-2023-29346  +12 more Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Windows Server 2019 […]

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Ubuntu 22.04 — ruby-doorkeeper — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ruby-doorkeeper — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 August 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6210-1 Related CVEs: CVE-2023-34246 Upstream summary: It was discovered that Doorkeeper incorrectly performed authorization checks for public clients that have been previous approved. An attacker could potentially exploit these in […]

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Oracle Linux 9 — skopeo — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — skopeo — vulnerability — patch and remediation guide (ELSA-2024-1149)

🟡 Medium   ⏱ 10–30 min  Last verified: 9 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1149 Related CVEs: CVE-2023-39326 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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Debian 12 — redis — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — redis — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-0178 CVE-2013-0180 CVE-2013-7458 CVE-2015-4335 CVE-2015-8080 CVE-2016-10517 CVE-2016-2121 CVE-2016-8339  +12 more Upstream summary: Insecure temporary file vulnerability in Redis before 2.6 related to /tmp/redis-%p.vm. Table of contents Symptom & […]

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Alpine Linux 3.18 — consul-template — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — consul-template — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 0.29.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — consul-template 0.29.2-r0 Related CVEs: CVE-2022-38149 Upstream summary: Alpine community repository for vv3.18 ships consul-template 0.29.2-r0 which addresses CVE-2022-38149. Table of contents Symptom & Impact Environment […]

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Common Problems 111850

Windows Server 2022 — DFS namespace referrals return stale targets to clients — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 9 August 2023 Affected versions: Windows Server 2022 📖 ~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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CHAT