Security Hardening

pr cp 117954 r2

Ubuntu 18.04 high CPU usage from background indexing

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~1 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 & Cross-Refs References & Further […]

Read more
SLES 15 — libwebp6 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libwebp6 — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:1830-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-25011 CVE-2018-25014 CVE-2018-25009 CVE-2018-25010 CVE-2018-25012 CVE-2018-25013 CVE-2020-36328 CVE-2020-36331  +5 more Upstream summary: A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in […]

Read more
NetBSD 9.4 — pulseaudio — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — pulseaudio — 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-2009-1894 CVE-2009-1299 CVE-2014-3970 Upstream summary: pkgsrc audit-packages flagged pulseaudio<0.9.14nb3 for vulnerability class 'local-root-shell'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1894 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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

Alpine Linux 3.19 — hylafaxplus — 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 7.0.2-r2 📖 ~4 min read  •  Source: Alpine secdb entry — hylafaxplus 7.0.2-r2 Related CVEs: CVE-2020-15396 CVE-2020-15397 Upstream summary: Alpine main repository for vv3.19 ships hylafaxplus 7.0.2-r2 which addresses CVE-2020-15396. Table of contents Symptom & Impact […]

Read more
Windows Server 2019 — KB5065430 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5065430 — 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 KB5065430 • MSRC update-guide entry Related CVEs: CVE-2025-54918 CVE-2025-55226 CVE-2025-53799 CVE-2025-54099 CVE-2025-54101 CVE-2025-54110 CVE-2025-54111 CVE-2025-54894  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Improper authentication in Windows NTLM […]

Read more
openSUSE Tumbleweed — python311-pillow-heif — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python311-pillow-heif — vulnerability — 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-2026-28231 Upstream summary: pillow_heif is a Python library for working with HEIF images and plugin for Pillow. Prior to version 1.3.0, an integer overflow in […]

Read more
Amazon Linux 2023 — kernel-livepatch-6.12.20-23.97 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.12.20-23.97 — vulnerability — 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-2025-046 Related CVEs: CVE-2025-37785 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: ext4: fix OOB read when checking dotdot dir (CVE-2025-37785) Table of contents Symptom & […]

Read more
NetBSD 9.4 — puppet — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — puppet — multiple vulnerabilities (6 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-2009-3564 CVE-2012-1053 CVE-2012-1054 CVE-2021-27023 CVE-2021-27025 CVE-2023-1894 Upstream summary: pkgsrc audit-packages flagged puppet<0.24.9 for vulnerability class 'privilege-escalation'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3564 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

Read more
Alpine Linux 3.19 — icecast — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 2.4.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — icecast 2.4.4-r0 Related CVEs: CVE-2018-18820 Upstream summary: Alpine main repository for vv3.19 ships icecast 2.4.4-r0 which addresses CVE-2018-18820. Table of contents Symptom & Impact Environment […]

Read more
CHAT