Common Problems

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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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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Debian 11 — php-radius — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-radius — 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-2013-2220 Upstream summary: Buffer overflow in the radius_get_vendor_attr function in the Radius extension before 1.2.7 for PHP allows remote attackers to cause a denial of service (crash) and […]

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Oracle Linux 8 — redis:6 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — redis:6 — vulnerability — patch and remediation guide (ELSA-2021-2034)

🟠 High   ⏱ 15–60 min  Last verified: 9 May 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2034 Related CVEs: CVE-2021-29477 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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