Common Problems

NetBSD 9.4 — xulrunner10 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — xulrunner10 — vulnerability — patch and remediation guide

  • October 15, 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 xulrunner10>=2<10.0.3 for vulnerability class 'arbitrary-code-execution'. Reference: https://www.mozilla.org/security/announce/2012/mfsa2012-19.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Debian 12 — ruby-secure-headers — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ruby-secure-headers — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • October 15, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 15 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-5216 CVE-2020-5217 Upstream summary: In Secure Headers (RubyGem secure_headers), a directive injection vulnerability is present in versions before 3.9.0, 5.2.0, and 6.3.0. If user-supplied input was passed into […]

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

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

  • October 15, 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 Related CVEs: CVE-2016-1516 CVE-2017-12863 CVE-2017-12864 CVE-2017-12862 CVE-2017-12598 CVE-2017-12597 CVE-2017-12599 CVE-2017-12601  +12 more Upstream summary: pkgsrc audit-packages flagged opencv<3.3.1 for vulnerability class 'arbitrary-code-execution'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-1516 Table of contents Symptom & Impact Environment […]

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Ubuntu 16.04 — screen — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — screen — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • October 15, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 15 October 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6198-1 Related CVEs: CVE-2023-24626 CVE-2021-26937 Upstream summary: It was discovered that GNU Screen was not properly checking user identifiers before sending certain signals to target processes. If GNU Screen was […]

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Ubuntu 22.04 — tidy-html5 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — tidy-html5 — vulnerability — patch and remediation guide

  • October 15, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 15 October 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6483-1 Related CVEs: CVE-2021-33391 Upstream summary: Neeraj Pal discovered that HTML Tidy incorrectly handled parsing certain HTML data. If a user or automated system were tricked into parsing specially crafted […]

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

Oracle Linux 9 — microcode_ctl — vulnerability — patch and remediation guide (ELSA-2024-9401)

  • October 15, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-9401 Related CVEs: CVE-2023-22655 CVE-2023-45733 CVE-2023-28746 CVE-2023-43490 CVE-2023-46103 CVE-2023-38575 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Windows Server 2016 — KB5023755 — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5023755 — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5023755 • MSRC update-guide entry Related CVEs: CVE-2023-21708 CVE-2023-23415 CVE-2023-23385 CVE-2023-23394 CVE-2023-23405 CVE-2023-23409 CVE-2023-23410 CVE-2023-23420  +8 more Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root […]

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

Oracle Linux 9 — curl — vulnerability — patch and remediation guide (ELSA-2023-0333)

  • October 15, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0333 Related CVEs: CVE-2022-32221 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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NetBSD 9.4 — compat14-crypto — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — compat14-crypto — vulnerability — patch and remediation guide

  • October 15, 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 compat14-crypto<1.4.3.2 for vulnerability class 'remote-root-shell'. Reference: http://www.kb.cert.org/vuls/id/738331 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 — krb5 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — krb5 — security and stability fixes — required update (ELSA-2023-6699)

  • October 14, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 14 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6699 Related CVEs: CVE-2023-39975 CVE-2023-36054 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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