Security Hardening

AlmaLinux 8 — grubby — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — grubby — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4509 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Amazon Linux 2023 — java-23-amazon-corretto — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — java-23-amazon-corretto — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2025-904 Related CVEs: CVE-2024-21208 CVE-2024-21210 CVE-2024-21217 CVE-2024-21235 CVE-2025-21502 Upstream summary: Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: […]

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Windows Server 2019 — KB5035885 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5035885 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5035885 • MSRC update-guide entry Related CVEs: CVE-2024-21407 CVE-2024-21429 CVE-2024-21430 CVE-2024-21439 CVE-2024-21441 CVE-2024-21444 CVE-2024-21446 CVE-2024-21450  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — suse_gtk2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — suse_gtk2 — multiple vulnerabilities (5 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-2005-2976 CVE-2005-3186 CVE-2009-1194 CVE-2005-2975 CVE-2010-4352 Upstream summary: pkgsrc audit-packages flagged suse{,32}_gtk2<9.1nb4 for vulnerability class 'arbitrary-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2976 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Alpine Linux 3.19 — rpcbind — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 0.2.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — rpcbind 0.2.4-r0 Related CVEs: CVE-2017-8779 Upstream summary: Alpine main repository for vv3.19 ships rpcbind 0.2.4-r0 which addresses CVE-2017-8779. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — proftpd — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — proftpd — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2006-5815 CVE-2019-12815 CVE-2024-48651 CVE-2023-51713 CVE-2020-9272 CVE-2020-9273 CVE-2024-57392 CVE-2009-0542  +10 more Upstream summary: Stack-based buffer overflow in the sreplace function in ProFTPD 1.3.0 and earlier allows remote attackers, probably authenticated, […]

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AlmaLinux 8 — hdparm — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — hdparm — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4421 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Amazon Linux 2023 — libsndfile — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — libsndfile — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2025-902 Related CVEs: CVE-2024-50612 CVE-2022-33065 CVE-2022-33064 CVE-2021-4156 Upstream summary: libsndfile through 1.2.2 has an ogg_vorbis.c vorbis_analysis_wrote out-of-bounds read. (CVE-2024-50612) Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Windows Server 2019 — KB5035930 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5035930 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5035930 • MSRC update-guide entry Related CVEs: CVE-2024-21407 CVE-2024-21429 CVE-2024-21430 CVE-2024-21439 CVE-2024-21441 CVE-2024-21444 CVE-2024-21446 CVE-2024-21450  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — suse_krb5 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — suse_krb5 — multiple vulnerabilities (7 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-2010-1323 CVE-2010-1324 CVE-2010-4020 CVE-2014-4343 CVE-2014-4341 CVE-2014-4342 CVE-2014-4344 Upstream summary: pkgsrc audit-packages flagged suse{,32}_krb5<11.3nb1 for vulnerability class 'remote-spoofing'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-1323 Table of contents Symptom & Impact Environment & Reproduction Root […]

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