Package Management

How to Configure a VXLAN Overlay Network on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure a VXLAN Overlay Network on Debian 9

Introduction How to Configure a VXLAN Overlay Network on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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openSUSE Tumbleweed — libdnf2 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libdnf2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:2685-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-3445 Upstream summary: A flaw was found in libdnf's signature verification functionality in versions before 0.60.1. This flaw allows an attacker to achieve code execution […]

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Debian 11 — wims — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — wims — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-5443 CVE-2008-4986 Upstream summary: Unspecified vulnerability in XIAO Gang WWW Interactive Mathematics Server (WIMS) before 3.60 allows remote attackers to modify unspecified data via unspecified vectors involving "variable […]

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Debian 11 — umoci — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — umoci — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-29136 Upstream summary: Open Container Initiative umoci before 0.4.7 allows attackers to overwrite arbitrary host paths via a crafted image that causes symlink traversal when "umoci unpack" or […]

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FreeBSD 13 — kodi — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — kodi — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ffmpeg — multiple vulnerabilities Related CVEs: CVE-2015-3395 CVE-2015-3885 CVE-2015-6761 CVE-2015-6818 CVE-2015-6819 CVE-2015-6820 CVE-2015-6821 CVE-2015-6822  +12 more Upstream summary: NVD reports: The ff_dwt_decode function in libavcodec/jpeg2000dwt.c in FFmpeg before 2.8.4 does […]

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Amazon Linux 2 — kernel-livepatch-4.14.232-176.381 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.232-176.381 — multiple vulnerabilities (2 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 ALAS2LIVEPATCH-2021-054 Related CVEs: CVE-2021-33200 CVE-2021-33909 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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Oracle Linux 8 — .NET Core 3.1 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET Core 3.1 security and bugfix update (ELSA-2021-2352)

🟠 High   ⏱ 15–60 min  Last verified: 10 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2352 Related CVEs: CVE-2021-31957 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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FreeBSD 13 — typo3-lts — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — typo3-lts — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: typo3 — Missing access check in Extbase Related CVEs: CVE-2016-5091 Upstream summary: TYPO3 reports: Extbase request handling fails to implement a proper access check for requested controller/ action combinations, which […]

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FreeBSD 13 — firebird25-server — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — firebird25-server — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firebird — Remote Stack Buffer Overflow Related CVEs: CVE-2013-2492 Upstream summary: Firebird Project reports: The FirebirdSQL server is vulnerable to a stack buffer overflow that can be triggered when an […]

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