November 2021 - Page 31 of 66

How to Set Up a FreeBSD Jail for Web Hosting on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up a FreeBSD Jail for Web Hosting on FreeBSD 12 (ON-FREEBSD-12)

Introduction How to Set Up a FreeBSD Jail for Web Hosting on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service […]

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Debian 11 — rust-lock-api — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-lock-api — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-35910 CVE-2020-35911 CVE-2020-35912 CVE-2020-35913 CVE-2020-35914 Upstream summary: An issue was discovered in the lock_api crate before 0.4.2 for Rust. A data race can occur because of MappedMutexGuard unsoundness. […]

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

Debian 11 — neovim — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-1248 CVE-2017-5953 CVE-2017-6349 CVE-2017-6350 CVE-2019-12735 Upstream summary: vim before patch 8.0.0056 does not properly validate values for the 'filetype', 'syntax' and 'keymap' options, which may result in the […]

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SLES 15 — wayland-devel — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — wayland-devel — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:1860-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-3782 Upstream summary: An internal reference count is held on the buffer pool, incremented every time a new buffer is created from the pool. The […]

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SLES 15 — libmysofa1 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libmysofa1 — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2019-10672 CVE-2019-16092 CVE-2019-16093 CVE-2021-3756 CVE-2019-16091 CVE-2019-16094 CVE-2019-16095 CVE-2019-20063  +7 more Upstream summary: treeRead in hdf/btree.c in libmysofa before 0.7 does not properly validate multiplications and […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cacti — Multiple vulnerabilities Related CVEs: CVE-2009-4032 CVE-2010-1431 CVE-2013-1434 CVE-2013-1435 CVE-2013-5588 CVE-2013-5589 CVE-2014-2326 CVE-2014-2327  +12 more Upstream summary: Cacti repo reports: security #GHSA-c5j8-jxj3-hh36: Authenticated RCE via multi-line SNMP responses security […]

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Comment configurer des clés SSH sur Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Comment configurer des clés SSH sur Ubuntu 20.04

SSH, ou secure shell, est un protocole crypté utilisé pour administrer et communiquer avec des serveurs. Lorsque vous travaillez avec un serveur Ubuntu, il y a de fortes chances que vous passiez la majeure partie de votre temps dans une session terminal connectée à votre…

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How to Set Up Alertmanager with Slack on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up Alertmanager with Slack on FreeBSD 13

Introduction How to Set Up Alertmanager with Slack on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for […]

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

AlmaLinux 8 — gcc-toolset-10 — 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-2021:1750 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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Oracle Linux 8 — Installation and Upgrade Issues — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Installation and Upgrade Issues

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug OLRNB-ol8-issues-install 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 […]

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