Linux

openSUSE Tumbleweed — java-jwt — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — java-jwt — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:14395-1 Related CVEs: CVE-2022-42003 Upstream summary: In FasterXML jackson-databind before versions 2.13.4.1 and 2.12.17.1, resource exhaustion can occur because of a lack of a check in primitive value deserializers to avoid deep […]

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How to Configure DRBD for High Availability on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure DRBD for High Availability on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure drbd for high availability on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure DRBD for High Availability on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the […]

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AlmaLinux 8 — libtirpc — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libtirpc — 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-2022:2065 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 […]

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Oracle Linux 8 — opensc security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — opensc security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1600)

🟡 Medium   ⏱ 10–30 min  Last verified: 2 February 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1600 Related CVEs: CVE-2020-26572 CVE-2020-26571 CVE-2020-26570 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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How to Configure Swap Space on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Swap Space on Debian 11

Introduction How to Configure Swap Space on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye 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 11. This […]

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Debian 11 — node-xmlhttprequest — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-xmlhttprequest — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28502 Upstream summary: This affects the package xmlhttprequest before 1.7.0; all versions of package xmlhttprequest-ssl. Provided requests are sent synchronously (async=False on xhr.open), malicious user input flowing into […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.9.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — coredns 1.9.3-r0 Related CVEs: CVE-2022-27191 CVE-2022-28948 Upstream summary: Alpine community repository for vedge ships coredns 1.9.3-r0 which addresses CVE-2022-27191. Table of contents Symptom & Impact […]

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Gentoo Linux — media-libs/libaom — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-libs/libaom — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202401-32 Related CVEs: CVE-2020-36129 CVE-2020-36130 CVE-2020-36131 CVE-2020-36133 CVE-2020-36134 CVE-2020-36135 CVE-2021-30473 CVE-2021-30474  +1 more Upstream summary: Multiple vulnerabilities have been discovered in libaom. Please review the CVE identifiers referenced below for details. Table […]

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Debian 11 — mathjax — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mathjax — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1999024 Upstream summary: MathJax version prior to version 2.7.4 contains a Cross Site Scripting (XSS) vulnerability in the \unicode{} macro that can result in Potentially untrusted Javascript running […]

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Ubuntu 18.04 — atftp — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — atftp — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 February 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6334-1 Related CVEs: CVE-2020-6097 CVE-2021-41054 CVE-2021-46671 CVE-2019-11365 CVE-2019-11366 Upstream summary: Peter Wang discovered that atftp did not properly manage certain inputs. A remote attacker could send a specially crafted tftp […]

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