Security Hardening

SLES 15 — libsndfile1 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libsndfile1 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • April 10, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 10 April 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:14769-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-3246 CVE-2025-52194 CVE-2026-37555 CVE-2022-33065 CVE-2018-13139 CVE-2021-4156 CVE-2009-0186 CVE-2011-2696  +12 more Upstream summary: A heap buffer overflow vulnerability in msadpcm_decode_block of libsndfile 1.0.30 allows attackers to […]

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SLES 16 — icu — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — icu — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • April 10, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 10 April 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2008:023 (see also SUSE bugzilla) Related CVEs: CVE-2007-4770 CVE-2020-10531 CVE-2025-5222 CVE-2008-1036 CVE-2020-21913 CVE-2007-4771 Upstream summary: libicu in International Components for Unicode (ICU) 3.8.1 and earlier attempts to process backreferences to the nonexistent […]

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Red Hat Enterprise Linux 8 — python3 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 8 — python3 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • April 10, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 8 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19590 Related CVEs: CVE-2026-4786 CVE-2026-6100 CVE-2026-4519 CVE-2025-15366 CVE-2025-15367 CVE-2026-1299 CVE-2025-0938 CVE-2025-12084  +1 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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FreeBSD 14 — apache — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — apache — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • April 10, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 10 April 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: www/apache24 — Multiple vulnerabilities Related CVEs: CVE-2003-0993 CVE-2004-0113 CVE-2004-0492 CVE-2004-0747 CVE-2004-0748 CVE-2004-0751 CVE-2004-0786 CVE-2004-0809  +12 more Upstream summary: The Apache httpd project reports: mod_proxy_ajp: CVE-2026-34059, CVE-2026-34032, CVE-2026-33857, CVE-2026-28780 multiple modules: […]

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Common Problems 122104

Swap Exhaustion and Memory Pressure on Busy Hosts

🟡 Medium   ⏱ 5–30 min  Last verified: 10 April 2026 Affected versions: FreeBSD 15 📖 ~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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FreeBSD 13 — kanboard — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — kanboard — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • April 9, 2026
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 9 April 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kanboard — Password Reset Poisoning via Host Header Injection Related CVEs: CVE-2017-12850 CVE-2017-12851 CVE-2024-36399 CVE-2024-55603 CVE-2025-52560 Upstream summary: GitHub Security Advisories reports: Kanboard allows password reset emails to be sent […]

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Common Problems 114089

RHEL 10 – dnf-automatic timer enabled but no unattended updates are applied – Fix & Prevention

  • April 9, 2026
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 9 April 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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FreeBSD 15 — frontpage — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — frontpage — vulnerability — patch and remediation guide

  • April 9, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 9 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: frontpage — cross site scripting vulnerability Related CVEs: CVE-2006-0015 Upstream summary: Esteban Martinez Fayo reports: The FrontPage Server Extensions 2002 (included in Windows Sever 2003 IIS 6.0 and available as […]

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NetBSD 9.4 — zookeeper — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — zookeeper — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • April 9, 2026
  • BSD
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🟡 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-2016-5017 CVE-2018-8012 CVE-2025-58457 CVE-2026-24281 CVE-2017-5637 CVE-2019-0201 CVE-2026-24308 Upstream summary: pkgsrc audit-packages flagged zookeeper<3.4.9 for vulnerability class 'buffer-overflow'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-5017 Table of contents Symptom & Impact Environment & Reproduction Root […]

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