Security Hardening

Red Hat Enterprise Linux 8 — mingw-fontconfig — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 8 — mingw-fontconfig — vulnerability — patch and remediation guide

🟠 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-2026:3407 Related CVEs: CVE-2025-59375 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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SLES 12 — libvte — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libvte — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 April 2025 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:2151-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-37535 Upstream summary: GNOME VTE before 0.76.3 allows an attacker to cause a denial of service (memory consumption) via a window resize escape sequence, a […]

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Alpine Linux 3.18 — cups — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — cups — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.4.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — cups 2.4.9-r0 Related CVEs: CVE-2024-35235 CVE-2023-4504 CVE-2023-32324 CVE-2022-26691 CVE-2020-3898 CVE-2019-8842 CVE-2019-8696 CVE-2019-8675  +1 more Upstream summary: Alpine main repository for vv3.18 ships cups 2.4.9-r0 which […]

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NetBSD 10.0 — ruby-rack16 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ruby-rack16 — multiple vulnerabilities (4 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-2018-16471 CVE-2019-16782 CVE-2020-8184 CVE-2020-8161 Upstream summary: pkgsrc audit-packages flagged ruby{23,24,25}-rack16<1.6.11 for vulnerability class 'cross-site-scripting'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-16471 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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FreeBSD 14 — ledger — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — ledger — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 April 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ledger — multiple vulnerabilities Related CVEs: CVE-2017-2807 CVE-2017-2808 Upstream summary: Talos reports: An exploitable buffer overflow vulnerability exists in the tag parsing functionality of Ledger-CLI 3.1.1. A specially crafted journal […]

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FreeBSD 14 — libidn — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — libidn — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 April 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libidn2 — roundtrip check vulnerability Related CVEs: CVE-2015-2059 CVE-2015-8948 CVE-2016-6261 CVE-2016-6262 CVE-2016-6263 CVE-2019-12290 Upstream summary: CVE list: GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 […]

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NetBSD 10.0 — jabberd-2.0s[23]* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — jabberd — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 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 jabberd for vulnerability class 'remote-code-execution'. Reference: http://www.securityfocus.com/archive/1/382250 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Windows Server 2025 — KB5058384 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5058384 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5058384 • MSRC update-guide entry Related CVEs: CVE-2025-32710 CVE-2025-29966 CVE-2025-29967 CVE-2025-29833 CVE-2024-49128 CVE-2025-55229 CVE-2025-47955 CVE-2025-29959  +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in Windows Remote Desktop Services […]

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FreeBSD 14 — varnish — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — varnish — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 April 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Vinyl/Varnish — HTTP/2 parsing deficiency Related CVEs: CVE-2013-4484 CVE-2017-8807 CVE-2022-23959 CVE-2023-43622 CVE-2023-44487 CVE-2025-30346 CVE-2025-8671 Upstream summary: Vinyl Development Team reports: A deficiency in HTTP/2 request parsing can be exploited to […]

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FreeBSD 14 — motion — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — motion — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 April 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: motion — Denial of Service Upstream summary: cxsecurity.com reports: A Denial of Service condition in Motion-Project Motion 3.2 through 4.3.1 allows remote unauthenticated users to cause a webu.c segmentation fault […]

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