Security Hardening

Common Problems 111174

Windows Server 2025 — Driver update rollback reintroduces vulnerability patched in newer version — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2025 Affected versions: Windows Server 2025 📖 ~2 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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AlmaLinux 8 — lasso — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — lasso — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:21628 Related CVEs: CVE-2025-47151 CVE-2021-28091 Upstream summary: The lasso packages provide the Lasso library that implements the Liberty Alliance Single Sign-On standards, including the SAML and SAML2 specifications. It allows handling of […]

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FreeBSD 14 — postgresql12-client — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — postgresql12-client — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 May 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PostgreSQL — libpq retains an error message from man-in-the-middle Related CVEs: CVE-2022-41862 CVE-2024-10977 CVE-2024-7348 Upstream summary: PostgreSQL project reports: Client use of server error message in PostgreSQL allows a server […]

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NetBSD 10.0 — kdegraphics-3.2.* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — kdegraphics — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged kdegraphics for vulnerability class 'denial-of-service'. Reference: http://www.kde.org/info/security/advisory-20041021-1.txt Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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NetBSD 10.0 — isc-dhcp-server — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — isc-dhcp-server — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2009-1892 Upstream summary: pkgsrc audit-packages flagged isc-dhcp-server<3.1.2p1 for vulnerability class 'denial-of-service'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1892 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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FreeBSD 14 — linux-c7-nss — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — linux-c7-nss — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 May 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nss — Use-after-free in TLS 1.2 generating handshake hashes Related CVEs: CVE-2016-2834 CVE-2017-5461 CVE-2017-5462 CVE-2017-7805 Upstream summary: Mozilla reports: During TLS 1.2 exchanges, handshake hashes are generated which point to […]

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FreeBSD 14 — p5-Mojolicious — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — p5-Mojolicious — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 May 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: p5-Mojolicious — cookie-handling vulnerability Upstream summary: Upstream commit: Vulnerabilities existed in cookie handling. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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FreeBSD 14 — awstats — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — awstats — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 May 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: www/awstats — Partial absolute pathname Related CVEs: CVE-2005-0116 CVE-2005-0362 CVE-2005-0363 CVE-2005-0435 CVE-2005-0436 CVE-2005-0437 CVE-2005-0438 CVE-2005-1527  +5 more Upstream summary: MITRE reports: It seems #90 is not completely fixed in 7.8. […]

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NetBSD 10.0 — go110 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — go110 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2019-6486 Upstream summary: pkgsrc audit-packages flagged go110<1.10.8 for vulnerability class 'sensitive-information-disclosure'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-6486 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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NetBSD 10.0 — ap-modsecurity2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ap-modsecurity2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2023-24021 CVE-2022-48279 Upstream summary: pkgsrc audit-packages flagged ap-modsecurity2<2.9.7 for vulnerability class 'filtering-bypass'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2023-24021 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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