Common Problems

NetBSD 9.4 — suse_libpng-7.3 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — suse_libpng-7.3 — vulnerability — patch and remediation guide

  • June 8, 2023
  • BSD
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🟠 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 suse{,32}_libpng-7.3{,nb1} for vulnerability class 'remote-code-execution'. Reference: http://scary.beasts.org/security/CESA-2004-001.txt 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 — device-mapper-multipath — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — device-mapper-multipath — vulnerability — patch and remediation guide (ELSA-2022-8453)

  • June 8, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 8 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8453 Related CVEs: CVE-2022-3787 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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Alpine Linux 3.18 — py3-redis — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — py3-redis — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 8, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 4.5.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-redis 4.5.4-r0 Related CVEs: CVE-2023-28858 CVE-2023-28859 Upstream summary: Alpine community repository for vv3.18 ships py3-redis 4.5.4-r0 which addresses CVE-2023-28858. Table of contents Symptom & Impact […]

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

Oracle Linux 9 — doxygen — vulnerability — patch and remediation guide (ELSA-2025-1329)

  • June 8, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 8 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-1329 Related CVEs: CVE-2020-11023 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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Oracle Linux 9 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — firefox — vulnerability — patch and remediation guide (ELSA-2023-7507)

  • June 8, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 8 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7507 Related CVEs: CVE-2023-6205 CVE-2023-6212 CVE-2023-6208 CVE-2023-6209 CVE-2023-6206 CVE-2023-6204 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 111707

Windows Server 2022 — DHCP scope exhausted unexpectedly — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 June 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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Alpine Linux 3.18 — freetype — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — freetype — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • June 8, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.9-r1 📖 ~4 min read  •  Source: Alpine secdb entry — freetype 2.9-r1 Related CVEs: CVE-2018-6942 CVE-2017-8105 CVE-2017-8287 CVE-2022-27404 CVE-2022-27405 CVE-2022-27406 CVE-2020-15999 Upstream summary: Alpine main repository for vv3.18 ships freetype 2.9-r1 which addresses CVE-2018-6942. Table […]

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

NetBSD 9.4 — hwloc — vulnerability — patch and remediation guide

  • June 7, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2022-47022 Upstream summary: pkgsrc audit-packages flagged hwloc<2.9.3 for vulnerability class 'denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-47022 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Oracle Linux 9 — gvisor-tap-vsock — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — gvisor-tap-vsock — security and stability fixes — required update (ELSA-2024-3830)

  • June 7, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 7 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3830 Related CVEs: CVE-2023-45290 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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