Como Proteger o Apache com o Let’s Encrypt no Debian 10
A Let’s Encrypt é uma autoridade certificadora (CA) que fornece uma maneira descomplicada de obter e instalar certificados TLS/SSL gratuitos, habilitando…
openSUSE Tumbleweed — libgtop — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2007-0235 Upstream summary: Stack-based buffer overflow in the glibtop_get_proc_map_s function in libgtop before 2.14.6 (libgtop2) allows local users to cause a denial of service (crash) […]
How To Install the Apache Web Server on Ubuntu 16.04
The Apache HTTP server is the most widely-used web server in the world. It provides with many powerful features including dynamically loadable modules, robust media support, and extensive integration with other popular software. In this guide, we’ll discuss how to install…
Ubuntu 20.04 — highlight.js — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 30 May 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8276-1 Related CVEs: CVE-2020-26237 Upstream summary: It was discovered that Highlight.js used plain JavaScript objects for internal language name lookups, making them susceptible to prototype pollution attacks. An attacker could […]
Avoid Security Tool Sprawl: Why Unified SecOps Is Critical for Cyber Resilience in 2026
Security tool sprawl is a quiet tax on detection speed, analyst capacity and cyber resilience. Here is what unified SecOps actually means, where consolidation goes wrong, and how to sequence it without losing coverage.
How to Create Python Virtual Environments on Debian 10
Introduction How to Create Python Virtual Environments on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]
Cómo instalar Java con Apt en Ubuntu 20.04
Se necesitan Java y JVM (la máquina virtual de Java) para muchos tipos de software, como Tomcat, Jetty, Glassfish, Cassandra y…
Ubuntu 16.04 — jbig2dec — multiple vulnerabilities (6 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 30 May 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5405-1 Related CVEs: CVE-2017-9216 CVE-2020-12268 CVE-2016-9601 CVE-2017-7885 CVE-2017-7975 CVE-2017-7976 Upstream summary: It was discovered that jbig2dec incorrectly handled memory when parsing invalid files. An attacker could use this issue to […]
Como blindar o OpenSSH no Ubuntu 18.04
O autor selecionou a Electronic Frontier Foundation, Inc para receber uma doação como parte do programa Write for DOnations. Os servidores Linux são frequentemente…
SLES 12 — aspell — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 30 May 2020 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2021:14783-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-25051 CVE-2019-17544 Upstream summary: objstack in GNU Aspell 0.60.8 has a heap-based buffer overflow in acommon::ObjStack::dup_top (called from acommon::StringMap::add and acommon::Config::lookup_list). Table of contents Symptom […]
