A Brief Introduction To CSS
This tutorial gives a brief historical introduction to CSS and explains how it works with HTML. It is the first tutorial in the tutorial series “How To Build a Website With CSS.”
IBM AIX 7.3 — CVE-2008-0509 — buffer overflow — patch and remediation guide
🟡 Medium ⏱ 15–45 min Last verified: 27 January 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-2008-0509, IBM Support Bulletin CVE: CVE-2008-0509 NVD summary: Multiple buffer overflows in IBM AIX 4.3 allow remote attackers to cause a denial of service (crash) or possibly gain privileges via a long […]
How to Install Icinga2 on CentOS Stream 9
Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying install icinga2 on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Icinga2 on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]
FreeBSD 13 — serendipity — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 27 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: serendipity — XSS Related CVEs: CVE-2008-1385 CVE-2008-1386 CVE-2019-11870 Upstream summary: MITRE: Serendipity before 2.1.5 has XSS via EXIF data that is mishandled in the templates/2k11/admin/media_choose.tpl Editor Preview feature or the […]
AlmaLinux 8 — which — 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-2022:2067 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 […]
FreeBSD 13 — pure-ftpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 27 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: pureftpd — multiple vulnerabilities Related CVEs: CVE-2011-0418 CVE-2011-1575 Upstream summary: Pure-FTPd development team reports: Support for braces expansion in directory listings has been disabled — Cf. CVE-2011-0418. Fix a STARTTLS […]
FreeBSD 13 — transmission-deamon — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 27 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: libutp — remote denial of service or arbitrary code execution Related CVEs: CVE-2012-6129 Upstream summary: NVD reports: Stack-based buffer overflow in utp.cpp in libutp, as used in Transmission before 2.74 […]
FreeBSD 13 — vinyl — security advisory — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 27 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Vinyl/Varnish — HTTP/2 parsing deficiency Upstream summary: Vinyl Development Team reports: A deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack (request smuggling), which […]
FreeBSD 13 — cinny — multiple vulnerabilities (11 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 27 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Matrix clients — mxc uri validation in js sdk Related CVEs: CVE-2021-40823 CVE-2021-40824 CVE-2022-36059 CVE-2022-36060 CVE-2022-39236 CVE-2022-39249 CVE-2022-39250 CVE-2022-39251 +3 more Upstream summary: matrix-js-sdk upstream reports: matrix-js-sdk before 34.11.0 is […]
AlmaLinux 8 — perl-DBD-Pg — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALEA-2022:1957 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 […]
