Security Hardening

Common Problems 119642

Debian 13 – Rootless Podman Fails with subuid/subgid Mapping Errors – Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 20 September 2025 Affected versions: Debian 13 (Trixie) 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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Debian 13 — libxt — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libxt — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2002 CVE-2013-2005 Upstream summary: Buffer overflow in X.org libXt 1.1.3 and earlier allows X servers to cause a denial of service (crash) and possibly execute arbitrary code via […]

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

Debian 13 — parser — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3736 Upstream summary: ltdl.c in libltdl in GNU Libtool 1.5.x, and 2.2.6 before 2.2.6b, as used in Ham Radio Control Libraries, Q, and possibly other products, attempts to […]

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NetBSD 10.0 — hypermail — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — hypermail — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged hypermail<2.1.7 for vulnerability class 'remote-code-execution'. Reference: http://www.hypermail.org/mail-archive/2003/Feb/0025.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Amazon Linux 2023 — cuda-crt-13-0 — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — cuda-crt-13-0 — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023NVIDIA-2025-189 Related CVEs: CVE-2025-23248 CVE-2025-23255 CVE-2025-23271 CVE-2025-23273 CVE-2025-23274 CVE-2025-23275 CVE-2025-23308 CVE-2025-23338  +3 more Upstream summary: NVIDIA CUDA Toolkit for all platforms contains a vulnerability in the nvdisasm binary where a […]

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Common Problems 119635

Debian 13 MariaDB Authentication Fails After Plugin Changes

🟡 Medium   ⏱ 5–30 min  Last verified: 20 September 2025 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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Debian 13 — libhtml-parser-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libhtml-parser-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3627 Upstream summary: The decode_entities function in util.c in HTML-Parser before 3.63 allows context-dependent attackers to cause a denial of service (infinite loop) via an incomplete SGML numeric […]

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Ubuntu 22.04 — linux-xilinx-zynqmp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-xilinx-zynqmp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 September 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8275-1 Related CVEs: CVE-2023-2640 CVE-2023-32629 CVE-2023-53421 CVE-2023-53520 CVE-2023-53662 CVE-2023-54207 CVE-2025-38057 CVE-2025-38125  +12 more Upstream summary: Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux […]

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AlmaLinux 8 — poppler — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — poppler — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:0130 Related CVEs: CVE-2025-32365 CVE-2024-6239 CVE-2020-36024 CVE-2022-38784 CVE-2022-27337 CVE-2020-27778 CVE-2019-14494 Upstream summary: Poppler is a Portable Document Format (PDF) rendering library, used by applications such as Evince. Security Fix(es): * poppler: Out-of-Bounds […]

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How to Install Woodpecker CI on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Woodpecker CI on Debian 13

Introduction How to Install Woodpecker CI on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie 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 12. This […]

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