How To Set Up a Firewall Using firewalld on Rocky Linux 9
firewalld is firewall management software available for many Linux distributions, which acts as a frontend for Linux’s kernel-based nftables or iptables packet filtering systems.
Debian 11 — adequate — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 24 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2013-6409 Upstream summary: Debian adequate before 0.8.1, when run by root with the –user option, allows local users to hijack the tty and possibly gain privileges via the […]
AlmaLinux 8 — qperf — 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-2021:4412 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 […]
Ubuntu 22.04 — openssl-ibmca — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 24 July 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6046-1 Related CVEs: https://launchpad.net/bugs/2015454 Upstream summary: It was discovered that OpenSSL-ibmca incorrectly handled certain RSA decryption. An attacker could possibly use this issue to expose sensitive information. Table of contents […]
Ubuntu 18.04 — golang-x-text — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 24 July 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5873-1 Related CVEs: CVE-2020-14040 CVE-2020-28851 CVE-2020-28852 CVE-2021-38561 CVE-2022-32149 Upstream summary: It was discovered that Go Text incorrectly handled certain encodings. An attacker could possibly use this issue to cause a […]
Gentoo Linux — dev-libs/libksba — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202212-07 Related CVEs: CVE-2022-3515 CVE-2022-47629 Upstream summary: An integer overflow in parsing ASN.1 objects could lead to a buffer overflow. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
How to Configure XFS File System on Debian 11
Introduction This guide explains how to Configure XFS File System on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the […]
Debian 11 — pdftk-java — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 23 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-37819 Upstream summary: PDF Labs pdftk-java v3.2.3 was discovered to contain an infinite loop via the component /text/pdf/PdfReader.java. Table of contents Symptom & Impact Environment & Reproduction Root […]
Debian 11 — fte — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 23 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2003-0648 Upstream summary: Multiple buffer overflows in vfte, based on FTE, before 0.50, allow local users to execute arbitrary code. Table of contents Symptom & Impact Environment & […]
Debian 11 — libcaca — multiple vulnerabilities (11 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 23 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-20544 CVE-2018-20545 CVE-2018-20546 CVE-2018-20547 CVE-2018-20548 CVE-2018-20549 CVE-2021-30498 CVE-2021-30499 +3 more Upstream summary: There is floating point exception at caca/dither.c (function caca_dither_bitmap) in libcaca 0.99.beta19. Table of contents Symptom […]