Linux

How to Secure Nginx with Let's Encrypt SSL on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install a LEMP Stack on Ubuntu 24.04

The LEMP stack — Linux, Nginx, MySQL, and PHP — is a popular combination for hosting dynamic web applications. This guide installs and integrates all four components on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges UFW firewall configured Step 1 – Install […]

Read more
Amazon Linux 2023 — libdwarf — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — libdwarf — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2024-579 Related CVEs: CVE-2024-2002 CVE-2024-31745 CVE-2022-39170 Upstream summary: In a multiply-corrupted DWARF object libdwarf may try to dealloc(free) an allocation twice. Results are unpredictable and various. This has been a […]

Read more
Alpine Linux edge — coreutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — coreutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 9.4-r2 📖 ~4 min read  •  Source: Alpine secdb entry — coreutils 9.4-r2 Related CVEs: CVE-2024-0684 CVE-2017-18018 Upstream summary: Alpine main repository for vedge ships coreutils 9.4-r2 which addresses CVE-2024-0684. Table of contents Symptom & Impact […]

Read more
Debian 12 — node-negotiator — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-negotiator — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 August 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-10539 Upstream summary: negotiator is an HTTP content negotiator for Node.js and is used by many modules and frameworks including Express and Koa. The header for "Accept-Language", when […]

Read more
Alpine Linux 3.20 — dovecot — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — dovecot — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.3.9.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — dovecot 2.3.9.3-r0 Related CVEs: CVE-2020-7046 CVE-2020-7957 CVE-2019-19722 CVE-2019-11500 CVE-2019-11499 CVE-2019-11494 CVE-2019-10691 CVE-2019-7524  +12 more Upstream summary: Alpine main repository for vv3.20 ships dovecot 2.3.9.3-r0 which […]

Read more
Debian 12 — mimetex — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mimetex — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 August 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-1382 CVE-2009-2459 CVE-2024-40446 Upstream summary: Multiple stack-based buffer overflows in mimetex.cgi in mimeTeX, when downloaded before 20090713, allow remote attackers to execute arbitrary code via a TeX file […]

Read more
Alpine Linux 3.19 — swayr — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — swayr — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 0.16.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — swayr 0.16.1-r0 Related CVEs: CVE-2022-24713 Upstream summary: Alpine community repository for vv3.19 ships swayr 0.16.1-r0 which addresses CVE-2022-24713. Table of contents Symptom & Impact Environment […]

Read more
Debian 12 — coreutils — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — coreutils — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 August 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0853 CVE-2003-0854 CVE-2005-1039 CVE-2007-4998 CVE-2008-1946 CVE-2014-9471 CVE-2015-1865 CVE-2016-2781  +3 more Upstream summary: An integer overflow in ls in the fileutils or coreutils packages may allow local users to […]

Read more
Alpine Linux 3.19 — klibc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — klibc — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 2.0.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — klibc 2.0.9-r0 Related CVEs: CVE-2021-31870 CVE-2021-31871 CVE-2021-31872 CVE-2021-31873 Upstream summary: Alpine community repository for vv3.19 ships klibc 2.0.9-r0 which addresses CVE-2021-31870. Table of contents Symptom […]

Read more
Ubuntu 22.04 — dotnet7 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — dotnet7 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 August 2024 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6773-1 Related CVEs: CVE-2024-30045 CVE-2024-30046 CVE-2024-21392 CVE-2024-21386 CVE-2024-21404 CVE-2024-0057 CVE-2024-21319 CVE-2023-36049  +12 more Upstream summary: It was discovered that .NET did not properly handle memory in it's Double Parse routine. […]

Read more
CHAT