chris

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

AlmaLinux 8 — lm_sensors — 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-2021:4353 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 […]

Read more
How to Configure Apache Virtual Hosts on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Apache Virtual Hosts on FreeBSD 13

Introduction How to Configure Apache Virtual Hosts 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 packet […]

Read more
Common Problems 121689

Debian 9 Firewall Rules Block Required Service Ports

🟠 High   ⏱ 5–30 min  Last verified: 7 January 2022 Affected versions: Debian 9 📖 ~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 & […]

Read more
Debian 11 — haskell-xml-conduit — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — haskell-xml-conduit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-4249 Upstream summary: A vulnerability was found in xml-conduit. It has been classified as problematic. Affected is an unknown function of the file xml-conduit/src/Text/XML/Stream/Parse.hs of the component DOCTYPE […]

Read more
Debian 11 — zip — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — zip — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1010 CVE-2018-13410 Upstream summary: Buffer overflow in Info-Zip 2.3 and possibly earlier versions, when using recursive folder compression, allows remote attackers to execute arbitrary code via a ZIP […]

Read more
AlmaLinux 8 — libgcrypt — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libgcrypt — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:5311 Related CVEs: CVE-2021-40528 CVE-2021-33560 Upstream summary: The libgcrypt library provides general-purpose implementations of various cryptographic algorithms. Security Fix(es): * libgcrypt: ElGamal implementation allows plaintext recovery (CVE-2021-40528) For more details about the […]

Read more
Debian 11 — mime-support — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mime-support — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0214 CVE-2014-7209 Upstream summary: run-mailcap in mime-support 3.22 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files. Table of contents Symptom […]

Read more
FreeBSD 13 — php5-exif — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php5-exif — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2011-0708 CVE-2011-4566 CVE-2011-4885 Upstream summary: php development team reports: Security Enhancements and Fixes in PHP 5.3.9: Added max_input_vars directive to prevent attacks based on […]

Read more
How To Write Conditional Statements in PHP — step-by-step Programming tutorial on Progressive Robot

How To Write Conditional Statements in PHP

Decisions written in code are formed using conditionals. “If x, then y.” This tutorial will start with an overview of comparison operators that will be used to build conditional statements. Next, it will take you through writing conditional statements in PHP, including the if, else, and elseif keywords. This also includes combining conditions using the logical operators of “and” or “or”. Finally it will also cover some special conditional operators to more precisely describe a situation.

Read more
Gentoo Linux — x11-terms/mrxvt — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — x11-terms/mrxvt — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202209-07 Related CVEs: CVE-2021-33477 Upstream summary: Mrxvt mishandles certain escape sequences, some of which allow for shell command execution. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

Read more
CHAT