Common Problems

Windows Server 2019 — KB5093447 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5093447 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5093447 • MSRC update-guide entry Related CVEs: CVE-2026-32177 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Microsoft summary: Heap-based buffer overflow in .NET allows an unauthorized attacker to […]

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Ubuntu 24.04 — tiff — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — tiff — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8113-1 Related CVEs: CVE-2025-61144 CVE-2025-61143 CVE-2025-8961 CVE-2025-9165 CVE-2025-9900 CVE-2025-8177 CVE-2025-8851 CVE-2025-8534  +3 more Upstream summary: It was discovered that LibTIFF did not properly handle memory when processing certain images. An […]

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Alpine Linux 3.19 — lighttpd — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — lighttpd — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.4.67-r0 📖 ~4 min read  •  Source: Alpine secdb entry — lighttpd 1.4.67-r0 Related CVEs: CVE-2022-41556 CVE-2022-22707 CVE-2025-8671 Upstream summary: Alpine main repository for vv3.19 ships lighttpd 1.4.67-r0 which addresses CVE-2022-41556. Table of contents Symptom & […]

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Ubuntu 20.04 — libheif — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libheif — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7952-1 Related CVEs: CVE-2024-25269 CVE-2025-68431 CVE-2019-11471 CVE-2020-23109 CVE-2023-0996 CVE-2023-29659 CVE-2023-49460 CVE-2023-49462  +2 more Upstream summary: It was discovered that libheif did not correctly handle certain memory operations. An attacker could […]

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openSUSE Leap 15.6 — python311-pyasn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — python311-pyasn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:12176 (see also SUSE bugzilla) Related CVEs: CVE-2026-30922 CVE-2026-23490 Upstream summary: pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.3, the `pyasn1` library is vulnerable to a Denial of […]

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SLES 16 — runc — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — runc — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2958-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-19921 CVE-2021-30465 CVE-2023-27561 CVE-2024-21626 CVE-2025-31133 CVE-2025-52565 CVE-2025-52881 CVE-2016-9962  +7 more Upstream summary: runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related […]

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SLES 16 — squashfs — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — squashfs — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2012-4025 CVE-2015-4645 CVE-2015-4646 CVE-2021-40153 CVE-2021-41072 CVE-2012-4024 Upstream summary: Integer overflow in the queue_init function in unsquashfs.c in unsquashfs in Squashfs 4.2 and earlier allows remote […]

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Oracle Linux 10 — libarchive — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — libarchive — vulnerability — patch and remediation guide (ELSA-2025-7510)

🟡 Medium   ⏱ 10–30 min  Last verified: 28 May 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-7510 Related CVEs: CVE-2024-57970 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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Oracle Linux 9 — glibc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — glibc — vulnerability — patch and remediation guide (ELSA-2025-12748)

🟡 Medium   ⏱ 10–30 min  Last verified: 28 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-12748 Related CVEs: CVE-2025-8058 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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Windows Server 2016 — KB5055557 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5055557 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5055557 • MSRC update-guide entry Related CVEs: CVE-2025-26663 CVE-2025-26686 CVE-2025-26670 CVE-2025-27480 CVE-2023-40547 CVE-2025-26664 CVE-2025-26665 CVE-2025-26669  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Microsoft summary: Use after […]

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