Common Problems

Debian 13 — dns2tcp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — dns2tcp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-3910 Upstream summary: dns2tcp before 0.4.1 does not properly handle negative values in a certain length field in the input argument to the (1) dns_simple_decode or (2) dns_decode […]

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Red Hat Enterprise Linux 10 — skopeo — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — skopeo — multiple vulnerabilities (5 CVEs) — 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-2026:19031 Related CVEs: CVE-2026-25679 CVE-2025-61726 CVE-2025-61729 CVE-2025-68121 CVE-2026-34986 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Debian 13 — freediameter — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — freediameter — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 March 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-6098 Upstream summary: An exploitable denial of service vulnerability exists in the freeDiameter functionality of freeDiameter 1.3.2. A specially crafted Diameter request can trigger a memory corruption resulting in […]

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Debian 12 — ruby-addressable — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ruby-addressable — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 March 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-32740 CVE-2026-35611 Upstream summary: Addressable is an alternative implementation to the URI implementation that is part of Ruby's standard library. An uncontrolled resource consumption vulnerability exists after version […]

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Ubuntu 22.04 — openssh — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — openssh — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 March 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8222-1 Related CVEs: CVE-2026-35388 CVE-2026-35385 CVE-2026-35387 CVE-2026-35414 CVE-2026-35386 CVE-2026-3497 CVE-2025-61984 CVE-2025-61985  +10 more Upstream summary: Christos Papakonstantinou discovered that the OpenSSH scp tool incorrectly handled the legacy scp protocol (-O) […]

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Windows Server 2019 — KB5074109 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5074109 — 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 KB5074109 • MSRC update-guide entry Related CVEs: CVE-2026-20822 CVE-2026-20962 CVE-2026-21265 CVE-2026-20804 CVE-2026-20805 CVE-2026-20809 CVE-2026-20812 CVE-2026-20814  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Microsoft […]

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Ubuntu 14.04 — krb5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — krb5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 March 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7542-1 Related CVEs: CVE-2025-3576 CVE-2024-3596 CVE-2024-37370 CVE-2024-37371 CVE-2023-36054 CVE-2018-20217 CVE-2022-42898 CVE-2020-28196  +12 more Upstream summary: It was discovered that Kerberos allowed the usage of weak cryptographic standards. An attacker could […]

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Windows Server 2016 — KB5071506 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5071506 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5071506 • 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  +2 more Affected components: Windows Server 2016 Microsoft summary: Heap-based buffer overflow in Windows Win32K – GRFX […]

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SLES 16 — groff — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — groff — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 March 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2009-5044 CVE-2009-5080 CVE-2009-5081 Upstream summary: contrib/pdfmark/pdfroff.sh in GNU troff (aka groff) before 1.21 allows local users to overwrite arbitrary files via a symlink attack on […]

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SLES 16 — net-tools — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — net-tools — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 March 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:02974-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-46836 Upstream summary: net-tools is a collection of programs that form the base set of the NET-3 networking distribution for the Linux operating system. Inn […]

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