Linux

openSUSE Tumbleweed — w3m — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — w3m — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:4439-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-38252 CVE-2023-38253 CVE-2022-38223 CVE-2006-6772 CVE-2010-2074 CVE-2012-4929 CVE-2016-9434 CVE-2016-9435  +12 more Upstream summary: An out-of-bounds read flaw was found in w3m, in the Strnew_size function in […]

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Debian 12 — ircd-hybrid — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ircd-hybrid — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-4016 CVE-2010-0300 CVE-2013-0238 Upstream summary: Integer underflow in the clean_string function in irc_string.c in (1) IRCD-hybrid 7.2.2 and 7.2.3, (2) ircd-ratbox before 2.2.9, and (3) oftc-hybrid before 1.6.8, […]

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How to Configure Caddy as a Web Server on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Caddy as a Web Server on Debian 12

Introduction This guide explains how to Configure Caddy as a Web Server on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install […]

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Ubuntu 22.04 — node-dottie — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — node-dottie — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 July 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8041-1 Related CVEs: CVE-2023-26132 Upstream summary: Yuhan Gao and Peng Zhou discovered that Dottie was vulnerable to prototype pollution when altering the __proto__ magical attribute. An attacker could possibly use […]

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Ubuntu 16.04 — heimdal — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — heimdal — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 July 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5849-1 Related CVEs: CVE-2022-45142 CVE-2021-44758 CVE-2022-3437 CVE-2022-42898 CVE-2022-44640 CVE-2022-41916 CVE-2018-16860 CVE-2019-12098  +3 more Upstream summary: Helmut Grohne discovered that Heimdal GSSAPI incorrectly handled logical conditions that are related to memory […]

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openSUSE Leap 15.5 — janino — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — janino — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3385-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-33546 Upstream summary: ** DISPUTED ** Janino 3.1.9 and earlier are subject to denial of service (DOS) attacks when using the expression evaluator.guess parameter […]

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Oracle Linux 9 — python-jwcrypto — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python-jwcrypto — vulnerability — patch and remediation guide (ELSA-2024-9281)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-9281 Related CVEs: CVE-2023-6681 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Oracle Linux 9 — postfix — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — postfix — vulnerability — patch and remediation guide (ELSA-2024-9243)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-9243 Related CVEs: CVE-2023-51764 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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