July 2024 - Page 5 of 106

Oracle Linux 9 — dnsmasq — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — dnsmasq — security and stability fixes — required update (ELSA-2022-8070)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8070 Related CVEs: CVE-2022-0934 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 — kdelibs-3.0.[12] — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — kdelibs — 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 kdelibs for vulnerability class 'weak-ssl-authentication'. Reference: http://online.securityfocus.com/archive/1/286290/2002-08-08/2002-08-14/2 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 — vlc — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — vlc — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 3.0.9.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — vlc 3.0.9.2-r0 Related CVEs: CVE-2019-19721 CVE-2020-6071 CVE-2020-6072 CVE-2020-6073 CVE-2020-6077 CVE-2020-6078 CVE-2020-6079 CVE-2019-13602  +3 more Upstream summary: Alpine community repository for vv3.20 ships vlc 3.0.9.2-r0 which […]

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Common Problems 120118

Debian 12: High CPU from runaway cron task

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 12 📖 ~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 3.19 — u-boot — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — u-boot — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 2021.04-r0 📖 ~4 min read  •  Source: Alpine secdb entry — u-boot 2021.04-r0 Related CVEs: CVE-2021-27097 CVE-2021-27138 Upstream summary: Alpine main repository for vv3.19 ships u-boot 2021.04-r0 which addresses CVE-2021-27097. Table of contents Symptom & Impact […]

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

NetBSD 9.4 — sun — vulnerability — 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-2000-1099 Upstream summary: pkgsrc audit-packages flagged sun-{jre,jdk}<1.3.1.0.2 for vulnerability class 'remote-code-execution'. Reference: http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/218&type=0&nav=sec.sba Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Common Problems 117618

Ubuntu 20.04 LTS – UFW blocks SSH access after firewall enable

🔴 Critical   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 […]

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NetBSD 9.4 — qt4-libs — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — qt4-libs — multiple vulnerabilities (19 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-2007-4137 CVE-2009-3384 CVE-2010-0046 CVE-2010-0049 CVE-2010-0050 CVE-2010-0052 CVE-2010-0054 CVE-2011-3193  +11 more Upstream summary: pkgsrc audit-packages flagged qt4-libs<4.3.2 for vulnerability class 'remote-user-shell'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4137 Table of contents Symptom & Impact Environment […]

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Alpine Linux 3.19 — bison — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — bison — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.7.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — bison 3.7.2-r0 Related CVEs: CVE-2020-24240 CVE-2020-24979 CVE-2020-24980 Upstream summary: Alpine main repository for vv3.19 ships bison 3.7.2-r0 which addresses CVE-2020-24240. Table of contents Symptom & […]

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

NetBSD 9.4 — mtr — vulnerability — 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 Upstream summary: pkgsrc audit-packages flagged mtr<0.72nb1 for vulnerability class 'arbitrary-code-execution'. Reference: http://seclists.org/fulldisclosure/2008/May/0488.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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