Package Management

FreeBSD 12 — nheko — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — nheko — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 July 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Matrix clients — several vulnerabilities Related CVEs: CVE-2021-40823 CVE-2021-40824 Upstream summary: Matrix developers report: Today we are disclosing a critical security issue affecting multiple Matrix clients and libraries including Element […]

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Ubuntu 14.04 — pygments — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — pygments — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 July 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4897-2 Related CVEs: CVE-2021-20270 CVE-2021-27291 CVE-2015-8557 Upstream summary: USN-4897-1 fixed several vulnerabilities in Pygments. This update provides the corresponding update for Ubuntu 14.04 LTS. Original advisory details: Ben Caller discovered […]

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Ubuntu 20.04 — lxml — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — lxml — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 July 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5225-1 Related CVEs: CVE-2021-43818 CVE-2021-28957 CVE-2020-27783 Upstream summary: It was discovered that lxml incorrectly handled certain XML and HTML files. An attacker could possibly use this issue to execute arbitrary […]

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Arch Linux — squid — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — squid — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201911-8 Related CVEs: CVE-2019-18679 CVE-2019-18678 CVE-2019-12526 CVE-2019-12527 CVE-2021-28662 CVE-2021-28652 CVE-2021-28651 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 4.8-2. Fixed in: 4.9-1. Group: AVG-1062. Table of contents Symptom & Impact […]

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FreeBSD 13 — uriparser — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — uriparser — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: uriparser — Multiple vulnerabilities Related CVEs: CVE-2018-19198 CVE-2018-19199 CVE-2018-19200 CVE-2021-46141 CVE-2021-46142 Upstream summary: Upstream project reports: Fix a bug affecting both uriNormalizeSyntax* and uriMakeOwner* functions where the text range in […]

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Oracle Linux 8 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-6058)

🟡 Medium   ⏱ 10–30 min  Last verified: 20 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6058 Related CVEs: CVE-2022-34716 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 Set Up WireGuard VPN on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up WireGuard VPN on FreeBSD 13 (ON-FREEBSD-13)

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up wireguard vpn on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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FreeBSD 13 — php4-cli — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php4-cli — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2004-0594 CVE-2004-0595 CVE-2004-1019 CVE-2004-1065 CVE-2005-0596 CVE-2006-4481 CVE-2006-4482 CVE-2006-4483  +12 more Upstream summary: The PHP development team reports: Security Enhancements and Fixes in PHP 5.2.2 […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 20 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: png — CWE-122: Heap-based Buffer Overflow Related CVEs: CVE-2004-0421 CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 CVE-2007-2445 CVE-2007-5266 CVE-2007-5267 CVE-2007-5268  +12 more Upstream summary: https://github.com/pnggroup/libpng/security/advisories/GHSA-g8hp-mq4h-rqm3 reports: LIBPNG is a reference library for use in […]

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