Common Problems

NetBSD 9.4 — libmicrohttpd — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — libmicrohttpd — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2021-3466 CVE-2023-27371 CVE-2025-59777 CVE-2025-62689 Upstream summary: pkgsrc audit-packages flagged libmicrohttpd<0.9.32 for vulnerability class 'multiple-vulnerabilities'. Reference: http://secunia.com/advisories/55903/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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Windows Server 2019 — KB5071503 — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5071503 — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5071503 • MSRC update-guide entry Related CVEs: CVE-2025-62458 CVE-2025-62466 CVE-2025-62470 CVE-2025-62472 CVE-2025-62473 CVE-2025-62549 CVE-2025-62571 CVE-2025-62455  +3 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Heap-based buffer overflow in Windows […]

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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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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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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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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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Red Hat Enterprise Linux 9 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19464 Related CVEs: CVE-2026-6746 CVE-2026-6747 CVE-2026-6748 CVE-2026-6749 CVE-2026-6750 CVE-2026-6751 CVE-2026-6752 CVE-2026-6753  +12 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Amazon Linux 2 — bind — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — bind — multiple vulnerabilities (20 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 ALAS2-2026-3226 Related CVEs: CVE-2026-1519 CVE-2025-8677 CVE-2024-11187 CVE-2024-12705 CVE-2023-4408 CVE-2024-1737 CVE-2024-1975 CVE-2023-50387  +12 more Upstream summary: If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the […]

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Fedora 42 — valkey — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — valkey — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-114b1e5d3a Related CVEs: CVE-2026-23479 CVE-2026-25243 CVE-2026-23631 Upstream summary: ## Version 8.0.9 Security fixes – (**CVE-2026-23479**) Use-After-Free in unblock client flow – (**CVE-2026-25243**) Invalid Memory Access in RESTORE command – (**CVE-2026-23631**) Use-after-free when […]

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FreeBSD 15 — linux_base-suse — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — linux_base-suse — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: zlib — buffer overflow vulnerability Related CVEs: CVE-2005-1849 CVE-2005-1920 Upstream summary: Problem description A fixed-size buffer is used in the decompression of data streams. Due to erronous analysis performed when […]

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