Security Hardening

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

AlmaLinux 8 — dwarves — 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-2022:2128 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 — kernel-livepatch-6.1.128-136.201 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.1.128-136.201 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2025-043 Related CVEs: CVE-2025-21703 CVE-2025-21753 CVE-2025-21796 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: netem: Update sch->q.qlen before qdisc_tree_reduce_backlog() (CVE-2025-21703) Table of contents Symptom & Impact […]

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Windows Server 2019 — KB5063709 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5063709 — 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 KB5063709 • MSRC update-guide entry Related CVEs: CVE-2025-50177 CVE-2025-53766 CVE-2025-53778 CVE-2025-49751 CVE-2025-49743 CVE-2025-49761 CVE-2025-49762 CVE-2025-50153  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Windows […]

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openSUSE Tumbleweed — weblate — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — weblate — multiple vulnerabilities (9 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 (see also SUSE bugzilla) Related CVEs: CVE-2025-68398 CVE-2026-21889 CVE-2025-32021 CVE-2026-27457 CVE-2025-61587 CVE-2024-39303 CVE-2022-24710 CVE-2020-6802  +1 more Upstream summary: Weblate is a web based localization tool. In versions prior to 5.15.1, it […]

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NetBSD 9.4 — py-crypto — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-crypto — multiple vulnerabilities (3 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-2013-7459 CVE-2012-2417 CVE-2018-6594 Upstream summary: pkgsrc audit-packages flagged py{27,34,35,36}-crypto<2.6.1nb3 for vulnerability class 'arbitrary-code-execution'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-7459 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.22.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — janet 1.22.0-r0 Related CVEs: CVE-2022-30763 Upstream summary: Alpine community repository for vv3.19 ships janet 1.22.0-r0 which addresses CVE-2022-30763. Table of contents Symptom & Impact Environment […]

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AlmaLinux 8 — egl-wayland — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — egl-wayland — 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-2022:1940 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 — freetype — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — freetype — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2025-925 Related CVEs: CVE-2025-27363 CVE-2020-15999 CVE-2022-27404 CVE-2022-27405 CVE-2022-27406 CVE-2026-23865 CVE-2023-2004 Upstream summary: An out of bounds write exists in FreeType versions 2.13.0 and below when attempting to parse font subglyph […]

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NetBSD 9.4 — py-deepdiff — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-deepdiff — vulnerability — 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-2025-58367 Upstream summary: pkgsrc audit-packages flagged py{27,39,310,311,312,313}-deepdiff<8.6.1 for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-58367 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 0 📖 ~4 min read  •  Source: Alpine secdb entry — jansson 0 Related CVEs: CVE-2020-36325 Upstream summary: Alpine main repository for vv3.19 ships jansson 0 which addresses CVE-2020-36325. Table of contents Symptom & Impact Environment […]

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