After provisioning a new RHEL 8 server, taking a few minutes to harden and configure the system goes a long way toward keeping it stable and secure. This guide walks you through the essential post-installation steps: updating packages, setting a hostname and timezone, locking down SSH, creating a non-root administrative user, and confirming that SELinux […]
🟠 High ⏱ 15–60 min Last verified: 17 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-1479 Related CVEs: CVE-2019-9213 CVE-2019-11479 CVE-2019-11477 CVE-2019-11478 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2022:1826 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2021:1647 Related CVEs: CVE-2020-14318 CVE-2020-14323 CVE-2020-1472 Upstream summary: Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2021:4592 Related CVEs: CVE-2021-42574 Upstream summary: Annobin provides a compiler plugin to annotate and tools to examine compiled binary files. Security Fix(es): * Developer environment: Unicode's bidirectional (BiDi) override characters can cause […]
nftables is the modern replacement for iptables, ip6tables, arptables, and ebtables, and it ships in the RHEL 8 kernel by default. It uses a single unified rule language, supports atomic rule set replacement, and performs better at scale due to its netlink-based architecture. While firewalld can use nftables as its backend, many system administrators prefer […]
🟠 High ⏱ 15–60 min Last verified: 17 June 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4688-1 Related CVEs: CVE-2017-9782 CVE-2018-18873 CVE-2018-19542 CVE-2020-27828 CVE-2015-5203 CVE-2015-5221 CVE-2016-10248 CVE-2016-10250 +12 more Upstream summary: It was discovered that Jasper incorrectly certain files. An attacker could possibly use this issue […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2022:0184-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-12762 Upstream summary: json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend. Table of contents […]
Django est un framework web libre et open-source écrit en Python dont les principes de base sont l’extensibilité, la réutilisation et le développement rapide. Il est également connu pour sa cohérence au niveau du framework et son couplage lâche, qui permet aux différents…
🟠 High ⏱ 15–60 min Last verified: 16 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-5264 Related CVEs: CVE-2022-40284 CVE-2023-3354 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
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