Package Management

Oracle Linux 8 — java-11-openjdk — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk — security and stability fixes — required update (ELSA-2023-4175)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4175 Related CVEs: CVE-2023-22036 CVE-2023-22049 CVE-2023-22045 CVE-2023-25193 CVE-2023-22041 CVE-2023-22006 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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FreeBSD 13 — openssh — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — openssh — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openssh — multiple vulnerabilities Related CVEs: CVE-2006-4924 CVE-2006-5051 Upstream summary: Problem Description The CRC compensation attack detector in the sshd(8) daemon, upon receipt of duplicate blocks, uses CPU time cubic […]

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openSUSE Tumbleweed — python38-treq — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-treq — 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-2022:10098-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-23607 Upstream summary: treq is an HTTP library inspired by requests but written on top of Twisted's Agents. Treq's request methods (`treq.get`, `treq.post`, etc.) and […]

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Debian 11 — libapache2-mod-python — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libapache2-mod-python — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2680 CVE-2005-0088 Upstream summary: mod_python (libapache2-mod-python) 3.1.4 and earlier does not properly handle when output filters process more than 16384 bytes, which can cause filter.read to return portions […]

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Debian 10 — python-aiohttp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — python-aiohttp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 April 2022 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-21330 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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Common Problems 120672

Debian 11 – KVM Bridge Networking Stops Passing Traffic – Host Bridge Repair

🟠 High   ⏱ 5–30 min  Last verified: 8 April 2022 Affected versions: Debian 11 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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Initial Server Setup with SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

Initial Server Setup with SLES 12

Introduction This tutorial covers Initial Server Setup with SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites A fresh SLES 12 installation with root or sudo access is required. Ensure […]

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Gentoo Linux — media-libs/libsndfile — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-libs/libsndfile — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202309-11 Related CVEs: CVE-2021-3246 CVE-2021-4156 CVE-2017-14245 CVE-2017-14246 CVE-2019-3832 Upstream summary: Multiple vulnerabilities have been discovered in libsndfile. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]

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Debian 11 — gst-plugins-bad1.0 — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gst-plugins-bad1.0 — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9445 CVE-2016-9446 CVE-2016-9809 CVE-2016-9812 CVE-2016-9813 CVE-2017-5843 CVE-2017-5848 CVE-2021-3185  +10 more Upstream summary: Integer overflow in the vmnc decoder in the gstreamer allows remote attackers to cause a denial […]

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