Security Hardening

Windows Server 2022 — KB5073379 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5073379 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5073379 • MSRC update-guide entry Related CVEs: CVE-2026-20822 CVE-2026-20876 CVE-2026-20962 CVE-2026-21265 CVE-2026-0386 CVE-2026-20804 CVE-2026-20805 CVE-2026-20808  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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FreeBSD 12 — py312-dj51-social-auth-app-django — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py312-dj51-social-auth-app-django — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 March 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-social-auth-app-django — Unsafe account association Related CVEs: CVE-2025-61783 Upstream summary: Michal Čihař reports: Upon authentication, the user could be associated by e-mail even if the associate_by_email pipeline was not included. […]

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

FreeBSD 15 — maven — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Apache Maven — multiple vulnerabilities Related CVEs: CVE-2020-13956 CVE-2021-26291 Upstream summary: The Apache Maven project reports: We received a report from Jonathan Leitschuh about a vulnerability of custom repositories in […]

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Windows Server 2019 — KB5066136 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5066136 — 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 KB5066136 • MSRC update-guide entry Related CVEs: CVE-2025-55248 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 Microsoft summary: Inadequate encryption strength in .NET.NET Framework, Visual Studio allows an […]

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Debian 13 — libslf4j-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libslf4j-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 March 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-8088 Upstream summary: org.slf4j.ext.EventData in the slf4j-ext module in QOS.CH SLF4J before 1.8.0-beta2 allows remote attackers to bypass intended access restrictions via crafted data. EventData in the slf4j-ext module […]

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openSUSE Tumbleweed — python311-pyasn1 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python311-pyasn1 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:12176 (see also SUSE bugzilla) Related CVEs: CVE-2026-30922 CVE-2026-23490 CVE-2026-2141 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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Debian 13 — minicom — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — minicom — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 March 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-7467 Upstream summary: A buffer overflow flaw was found in the way minicom before version 2.7.1 handled VT100 escape sequences. A malicious terminal device could potentially use this flaw […]

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FreeBSD 15 — librsync — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — librsync — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: librsync — collision vulnerability Related CVEs: CVE-2014-8242 Upstream summary: Michael Samuel reports: librsync before 1.0.0 uses a truncated MD4 checksum to match blocks, which makes it easier for remote attackers […]

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FreeBSD 12 — py314-dj52-strawberry-graphql — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py314-dj52-strawberry-graphql — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 March 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-strawberry-graphql — Multiple vulnerabilities Related CVEs: CVE-2026-35523 CVE-2026-35526 Upstream summary: The Strawberry GraphQL project reports: Strawberry up until version 0.312.3 is vulnerable to an authentication bypass on WebSocket subscription endpoints. […]

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Red Hat Enterprise Linux 10 — python-pyasn1 — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — python-pyasn1 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:4138 Related CVEs: CVE-2026-23490 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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