Security Hardening

Debian 13 — didiwiki — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — didiwiki — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-7448 Upstream summary: Directory traversal vulnerability in wiki.c in didiwiki allows remote attackers to read arbitrary files via the page parameter to api/page/get. Table of contents Symptom & […]

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Debian 12 — vifm — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — vifm — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-8997 Upstream summary: vifm is vulnerable to a heap buffer overflow during the history merge process when saving the state file (vifminfo.json). This flaw occurs because the application […]

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openSUSE Tumbleweed — python311-Flask-HTTPAuth — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python311-Flask-HTTPAuth — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2026-34531 Upstream summary: Flask-HTTPAuth provides Basic, Digest and Token HTTP authentication for Flask routes. Prior to version 4.8.1, in a situation where the client makes […]

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Debian 13 — libgetdata — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libgetdata — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-20204 Upstream summary: A heap memory corruption problem (use after free) can be triggered in libgetdata v0.10.0 when processing maliciously crafted dirfile databases. This degrades the confidentiality, integrity and […]

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

openSUSE Tumbleweed — kernel-macros — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:19666 (see also SUSE bugzilla) Related CVEs: CVE-2026-46333 CVE-2026-31694 CVE-2026-31697 CVE-2026-31698 CVE-2026-31699 CVE-2026-31700 CVE-2026-31706 CVE-2026-31707  +12 more Upstream summary: In the Linux kernel, the following vulnerability has been resolved: ptrace: slightly saner […]

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Debian 11 — mitmproxy — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mitmproxy — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-14505 CVE-2021-39214 CVE-2022-24766 CVE-2025-23217 CVE-2026-40606 Upstream summary: mitmweb in mitmproxy v4.0.3 allows DNS Rebinding attacks, related to tools/web/app.py. Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Install .NET 8 SDK on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install .NET 8 SDK on FreeBSD 15

Introduction FreeBSD 15 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install .net 8 sdk on FreeBSD 15 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This guide […]

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Debian 13 — mpop — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — mpop — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-8337 Upstream summary: In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked. Table of contents Symptom & Impact Environment & […]

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Ubuntu 20.04 — nghttp2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nghttp2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8233-1 Related CVEs: CVE-2026-27135 CVE-2019-9511 CVE-2019-9513 CVE-2023-44487 CVE-2024-28182 CVE-2020-11080 Upstream summary: Andrew MacPherson discovered that nghttp2 did not properly validate internal state when the session termination API was called. A […]

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Ubuntu 24.04 — flask — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — flask — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8104-1 Related CVEs: CVE-2026-27205 Upstream summary: Shourya Jaiswal discovered that Flask did not correctly mark certain web responses as user-specific. A remote attacker could possibly use this issue to obtain […]

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CHAT