Common Problems

Ubuntu 18.04 — openjdk-17 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — openjdk-17 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 July 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7998-1 Related CVEs: CVE-2026-21932 CVE-2026-21933 CVE-2026-21925 CVE-2026-21945 CVE-2025-53057 CVE-2025-53066 CVE-2025-50106 CVE-2025-30754  +12 more Upstream summary: It was discovered that the RMI component of OpenJDK 17 would establish RMI TCP endpoint […]

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

NetBSD 9.4 — lrzip — 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-2017-8846 CVE-2018-5747 CVE-2018-11496 CVE-2022-26291 CVE-2021-33453 CVE-2025-15570 CVE-2017-8844 CVE-2017-8847  +12 more Upstream summary: pkgsrc audit-packages flagged lrzip-[0-9]* for vulnerability class 'use-after-free'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-8846 Table of contents Symptom & Impact Environment […]

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

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide (ELSA-2025-8607)

🟠 High   ⏱ 15–60 min  Last verified: 5 July 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-8607 Related CVEs: CVE-2025-5269 CVE-2025-5266 CVE-2025-5263 CVE-2025-5264 CVE-2025-5268 CVE-2025-5267 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 9 — python3.12 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python3.12 — vulnerability — patch and remediation guide (ELSA-2026-6285)

🟠 High   ⏱ 15–60 min  Last verified: 5 July 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-6285 Related CVEs: CVE-2026-4519 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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Windows Server 2016 — KB5082806 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5082806 — 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 KB5082806 • MSRC update-guide entry Related CVEs: CVE-2026-32077 Affected components: Windows Server 2016 Microsoft summary: Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to […]

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Oracle Linux 9 — git-lfs — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — git-lfs — vulnerability — patch and remediation guide (ELSA-2026-3928)

🟠 High   ⏱ 15–60 min  Last verified: 5 July 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-3928 Related CVEs: CVE-2025-61726 CVE-2025-61729 CVE-2025-68121 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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Common Problems 114087

RHEL 10 – fapolicyd blocks execution of trusted in-house binary – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 5 July 2026 Affected versions: RHEL 10 📖 ~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 Leap 15.6 — ucode-intel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — ucode-intel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:03052-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-20053 CVE-2025-20109 CVE-2025-22839 CVE-2025-22840 CVE-2025-22889 CVE-2025-26403 CVE-2025-32086 CVE-2024-21820  +12 more Upstream summary: Improper buffer restrictions for some Intel(R) Xeon(R) Processor firmware with SGX enabled […]

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Oracle Linux 10 — protobuf — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — protobuf — vulnerability — patch and remediation guide (ELSA-2026-3094)

🟠 High   ⏱ 15–60 min  Last verified: 5 July 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-3094 Related CVEs: CVE-2026-0994 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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CentOS Stream 9 — dotnet9.0 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — dotnet9.0 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 July 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:4456 Related CVEs: CVE-2026-26127 CVE-2026-26130 CVE-2025-55247 CVE-2025-55248 CVE-2025-55315 CVE-2025-30399 CVE-2025-26646 CVE-2025-24070  +2 more Upstream summary: .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several […]

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