Linux

Debian 10 — xen — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — xen — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 September 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17349 CVE-2020-11739 CVE-2020-25595 CVE-2020-27670 CVE-2020-29479 CVE-2021-0089 CVE-2021-26933 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

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Amazon Linux 2 — gupnp — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — gupnp — vulnerability — 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 ALAS2-2021-1673 Related CVEs: CVE-2021-33516 Upstream summary: A flaw was found in gupnp. DNS rebinding can occur when a victim's browser is used by a remote web server to trigger actions […]

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Oracle Linux 8 — rpm security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — rpm security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-4489)

🟢 Low   ⏱ 5–15 min  Last verified: 2 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4489 Related CVEs: CVE-2021-20266 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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How To Install and Configure Nextcloud on Debian 9 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure Nextcloud on Debian 9

Nextcloud, a fork of ownCloud, is a file sharing server that permits you to store your personal content, like documents and pictures, in a centralized location, much like Dropbox. The difference with Nextcloud is that all of its features are…

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AlmaLinux 8 — xkeyboard-config — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — xkeyboard-config — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2020:1611 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

Debian 11 — acm — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-0391 Upstream summary: Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including dietlibc, allows remote […]

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

Debian 11 — node-hoek — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-3728 CVE-2020-36604 Upstream summary: hoek node module before 4.2.0 and 5.0.x before 5.0.3 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via 'merge' and 'applyToDefaults' functions, which […]

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Debian 11 — puppet — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — puppet — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3564 CVE-2010-0156 CVE-2011-0528 CVE-2011-3848 CVE-2011-3869 CVE-2011-3870 CVE-2011-3871 CVE-2011-3872  +12 more Upstream summary: puppetmasterd in puppet 0.24.6 does not reset supplementary groups when it switches to a different user, […]

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AlmaLinux 8 — gcc-toolset-10-dyninst — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gcc-toolset-10-dyninst — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:1807 Upstream summary: GCC Toolset is a compiler toolset that provides recent versions of development tools. GCC Toolset is an Application Stream packaged as a Software Collection. For instructions on usage, see […]

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