Security Hardening

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

SLES 15 — freeradius-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 February 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory ESSA-2024:0650 (see also SUSE bugzilla) Related CVEs: CVE-2024-3596 CVE-2022-41860 CVE-2022-41861 CVE-2019-11235 CVE-2019-17185 CVE-2022-41859 CVE-2012-3547 CVE-2014-2015  +12 more Upstream summary: RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local […]

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Alpine Linux 3.19 — gptfdisk — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — gptfdisk — 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 1.0.6-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gptfdisk 1.0.6-r0 Related CVEs: CVE-2021-0308 CVE-2020-0256 Upstream summary: Alpine main repository for vv3.19 ships gptfdisk 1.0.6-r0 which addresses CVE-2021-0308. Table of contents Symptom & Impact […]

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Oracle Linux 8 — cups — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — cups — vulnerability — patch and remediation guide (ELSA-2025-15702)

🟠 High   ⏱ 15–60 min  Last verified: 23 February 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-15702 Related CVEs: CVE-2025-58060 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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Alpine Linux 3.19 — gnuchess — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — gnuchess — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 6.2.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gnuchess 6.2.9-r0 Related CVEs: CVE-2021-30184 Upstream summary: Alpine community repository for vv3.19 ships gnuchess 6.2.9-r0 which addresses CVE-2021-30184. Table of contents Symptom & Impact Environment […]

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Windows Server 2016 — KB5066840 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5066840 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5066840 • MSRC update-guide entry Related CVEs: CVE-2025-59295 CVE-2025-58739 CVE-2025-59208 Affected components: Windows Server 2016 Microsoft summary: Heap-based buffer overflow in Internet Explorer allows an unauthorized attacker to execute code over a […]

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SLES 15 — apache-commons-fileupload — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — apache-commons-fileupload — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 February 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:14177 (see also SUSE bugzilla) Related CVEs: CVE-2025-48976 Upstream summary: Allocation of resources for multipart headers with insufficient limits enabled a DoS vulnerability in Apache Commons FileUpload. This issue affects Apache Commons […]

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Amazon Linux 2 — gnupg2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — gnupg2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2026-3125 Related CVEs: CVE-2025-68973 CVE-2018-12020 CVE-2022-34903 CVE-2014-4617 Upstream summary: In GnuPG before 2.4.9, armor_filter in g10/armor.c has two increments of an index variable where one is intended, leading to an […]

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SLES 15 — apache2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — apache2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 23 February 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:2918-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-33193 CVE-2021-44790 CVE-2021-42013 CVE-2010-0425 CVE-2025-49630 CVE-2025-49812 CVE-2025-23048 CVE-2023-45802  +12 more Upstream summary: A crafted method sent through HTTP/2 will bypass validation and be forwarded by […]

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Gentoo Linux — dev-lang/pypy — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-lang/pypy — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202506-07 Related CVEs: CVE-2024-6232 CVE-2024-6923 CVE-2024-7592 CVE-2024-8088 CVE-2024-12718 CVE-2025-4138 CVE-2025-4330 CVE-2025-4516  +1 more Upstream summary: Multiple vulnerabilities have been discovered in Python, PyPy3. Please review the CVE identifiers referenced below for details. […]

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