Operations

FreeBSD 13 — mod_dav_svn — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mod_dav_svn — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Subversion — Multiple vulnerabilities in server code Related CVEs: CVE-2014-3580 CVE-2014-8108 CVE-2015-0202 CVE-2015-0248 CVE-2015-0251 CVE-2015-5259 CVE-2015-5343 CVE-2021-28544  +1 more Upstream summary: Subversion project reports: Subversion servers reveal 'copyfrom' paths that […]

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

Debian 11 — aview — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4935 Upstream summary: asciiview in aview 1.3.0 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/aview#####.pgm temporary file. Table of contents Symptom & […]

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

Debian 11 — httrack — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-3429 Upstream summary: Buffer overflow in URI processing in HTTrack and WinHTTrack before 3.42-3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary […]

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AlmaLinux 8 — llvm-toolset — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — llvm-toolset — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4743 Related CVEs: CVE-2021-42574 Upstream summary: LLVM Toolset provides the LLVM compiler infrastructure framework, the Clang compiler for the C and C++ languages, the LLDB debugger, and related tools for code analysis. […]

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Debian 11 — timidity — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — timidity — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-11546 CVE-2017-11547 CVE-2017-11549 Upstream summary: The insert_note_steps function in readmidi.c in TiMidity++ 2.14.0 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via […]

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Common Problems 120468

Debian 11 – apt update fails because repository Release file is expired

🟠 High   ⏱ 5–30 min  Last verified: 9 May 2022 Affected versions: Debian 11 📖 ~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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How to Set Up Cron Jobs and Scheduled Tasks on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Cron Jobs and Scheduled Tasks on Debian 11

Introduction Deploying set up cron jobs and scheduled tasks on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. […]

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

Debian 11 — mediaelement — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-4567 Upstream summary: Cross-site scripting (XSS) vulnerability in flash/FlashMediaElement.as in MediaElement.js before 2.21.0, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or […]

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