Common Problems

Debian 12 — nova — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — nova — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-3147 CVE-2011-4076 CVE-2011-4596 CVE-2012-0030 CVE-2012-1585 CVE-2012-2101 CVE-2012-2654 CVE-2012-3360  +12 more Upstream summary: Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when […]

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NetBSD 9.4 — xenkernel46 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — xenkernel46 — vulnerability — 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 Upstream summary: pkgsrc audit-packages flagged xenkernel46<4.6.4 for vulnerability class 'privilege-elevation'. Reference: https://xenbits.xen.org/xsa/advisory-182.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Windows Server 2022 — KB5022282 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5022282 — 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 KB5022282 • MSRC update-guide entry Related CVEs: CVE-2023-21712 CVE-2023-21535 CVE-2023-21546 CVE-2023-21543 CVE-2023-21548 CVE-2023-21551 CVE-2023-21555 CVE-2023-21556  +12 more Affected components: Windows Server 2022 Windows Server 2022 (Server Core installation) Table of contents Symptom […]

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Debian 12 — libemail-address-perl — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libemail-address-perl — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-0477 CVE-2014-4720 CVE-2015-7686 CVE-2018-12558 Upstream summary: The parse function in Email::Address module before 1.905 for Perl uses an inefficient regular expression, which allows remote attackers to cause a […]

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Windows Server 2022 — KB5022894 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5022894 — 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 KB5022894 • MSRC update-guide entry Related CVEs: CVE-2023-21689 CVE-2023-21690 CVE-2023-21692 CVE-2023-21684 CVE-2023-21701 CVE-2023-21797 CVE-2023-21798 CVE-2023-21799  +12 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 12 — tomcat-native — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — tomcat-native — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3555 CVE-2017-15698 CVE-2018-8019 CVE-2018-8020 Upstream summary: The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft Internet Information Services (IIS) 7.0, mod_ssl in […]

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Windows Server 2022 — KB5022783 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5022783 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5022783 • MSRC update-guide entry Related CVEs: CVE-2023-21808 CVE-2023-21722 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Windows Server 2022 — KB5027543 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5027543 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5027543 • MSRC update-guide entry Related CVEs: CVE-2023-24897 CVE-2023-24895 CVE-2023-29326 CVE-2023-29331 CVE-2023-32030 CVE-2023-24936 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 Table of contents Symptom & Impact Environment […]

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Debian 12 — sogo — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — sogo — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-9905 CVE-2015-5395 CVE-2016-6188 CVE-2016-6189 CVE-2016-6190 CVE-2016-6191 CVE-2020-22402 CVE-2021-33054  +12 more Upstream summary: Multiple cross-site scripting (XSS) vulnerabilities in the Web Calendar in SOGo before 2.2.0 allow remote attackers […]

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