Linux

Debian 11 — python-bleach — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-bleach — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-7753 CVE-2020-6802 CVE-2020-6816 CVE-2020-6817 CVE-2021-23980 Upstream summary: An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren't properly sanitized if the values contained […]

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Ubuntu 16.04 — apr-util — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — apr-util — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 April 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5870-1 Related CVEs: CVE-2022-25147 CVE-2017-12618 Upstream summary: Ronald Crane discovered that APR-util did not properly handled memory when encoding or decoding certain input data. An attacker could possibly use this […]

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

Debian 11 — bristol — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-3351 Upstream summary: startBristol in Bristol 0.60.5 places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library […]

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How to Enable HTTP/2 in Nginx on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Enable HTTP/2 in Nginx on CentOS Stream 9

Introduction This tutorial demonstrates how to Enable HTTP/2 in Nginx on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with the […]

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AlmaLinux 8 — ibus — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — ibus — 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-2022:1822 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 — git-big-picture — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — git-big-picture — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3028 Upstream summary: git-big-picture before 1.0.0 mishandles ' characters in a branch name, leading to code execution. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Amazon Linux 2 — kernel-livepatch-4.14.231-173.360 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.231-173.360 — 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-2021-058 Related CVEs: CVE-2021-33909 CVE-2021-33034 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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Debian 11 — fcheck — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — fcheck — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-1753 Upstream summary: A cron job in fcheck before 2.7.59 allows local users to overwrite arbitrary files via a symlink attack on a temporary file. Table of contents […]

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Gentoo Linux — net-analyzer/wireshark — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-analyzer/wireshark — multiple vulnerabilities (20 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-202107-21 Related CVEs: CVE-2021-22173 CVE-2021-22174 CVE-2021-22191 CVE-2021-22207 CVE-2021-22222 CVE-2020-26418 CVE-2020-26419 CVE-2020-26420  +12 more Upstream summary: Multiple vulnerabilities have been discovered in Wireshark. Please review the CVE identifiers referenced below for details. Table […]

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