Troubleshooting

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

NetBSD 9.4 — Ffmpeg — 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 Upstream summary: pkgsrc audit-packages flagged Ffmpeg<0.4.9pre1 for vulnerability class 'buffer-overflow'. Reference: http://secunia.com/advisories/17892/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Alpine Linux 3.20 — ntpsec — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — ntpsec — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.2.2a-r0 📖 ~4 min read  •  Source: Alpine secdb entry — ntpsec 1.2.2a-r0 Related CVEs: CVE-2023-4012 CVE-2021-22212 CVE-2019-6442 CVE-2019-6443 CVE-2019-6444 CVE-2019-6445 Upstream summary: Alpine community repository for vv3.20 ships ntpsec 1.2.2a-r0 which addresses CVE-2023-4012. Table of […]

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AlmaLinux 8 — dtc — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — dtc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2020:4838 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Windows Server 2019 — KB5023769 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5023769 — 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 KB5023769 • MSRC update-guide entry Related CVEs: CVE-2023-21708 CVE-2023-23415 CVE-2023-23385 CVE-2023-23394 CVE-2023-23401 CVE-2023-23402 CVE-2023-23405 CVE-2023-23407  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — FlightCrew — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — FlightCrew — multiple vulnerabilities (2 CVEs) — 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-2019-13032 CVE-2019-13241 Upstream summary: pkgsrc audit-packages flagged FlightCrew<0.7.2nb62 for vulnerability class 'null-pointer-dereference'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-13032 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Alpine Linux 3.20 — openexr — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — openexr — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 3.1.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — openexr 3.1.4-r0 Related CVEs: CVE-2021-45942 CVE-2023-5841 CVE-2021-3598 CVE-2021-23169 CVE-2021-23215 CVE-2021-26260 CVE-2021-26945 CVE-2021-20296  +12 more Upstream summary: Alpine community repository for vv3.20 ships openexr 3.1.4-r0 which […]

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openSUSE Tumbleweed — python311-Authlib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python311-Authlib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:3754-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-61920 CVE-2025-68158 Upstream summary: Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.5, Authlib's JOSE implementation accepts unbounded […]

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AlmaLinux 8 — efivar — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — efivar — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2020:4596 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Windows Server 2019 — KB5023786 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5023786 — 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 KB5023786 • MSRC update-guide entry Related CVEs: CVE-2023-21708 CVE-2023-23404 CVE-2023-23411 CVE-2023-23415 CVE-2023-23416 CVE-2023-1017 CVE-2023-1018 CVE-2023-23385  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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

NetBSD 9.4 — GMT — 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-2026-33147 Upstream summary: pkgsrc audit-packages flagged GMT-[0-9]* for vulnerability class 'stack-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-33147 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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