Security Hardening

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

Debian 12 — binpac — 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-2014-9586 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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Debian 13 — isoqlog — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — isoqlog — 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-2004-2571 Upstream summary: Multiple buffer overflows in EnderUNIX isoqlog 2.1.1 allow remote attackers to execute arbitrary code via the (1) parseQmailFromBytesLine, (2) parseQmailToRemoteLine, (3) parseQmailToLocalLine, (4) parseSendmailFromBytesLine, (5) […]

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

Debian 11 — rubocop — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-8418 Upstream summary: RuboCop 0.48.1 and earlier does not use /tmp in safe way, allowing local users to exploit this to tamper with cache files belonging to other […]

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

Debian 11 — crun — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-27650 Upstream summary: A flaw was found in crun where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker Engine) where containers […]

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

Debian 12 — udns — 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-2008-1447 Upstream summary: The DNS protocol, as implemented in (1) BIND 8 and 9 before 9.5.0-P1, 9.4.2-P1, and 9.3.5-P1; (2) Microsoft DNS in Windows 2000 SP4, XP SP2 […]

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Debian 12 — lua-http — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — lua-http — 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-2023-4540 Upstream summary: Improper Handling of Exceptional Conditions vulnerability in Daurnimator lua-http library allows Excessive Allocation and a denial of service (DoS) attack to be executed by sending […]

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Debian 12 — node-css-what — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-css-what — multiple vulnerabilities (2 CVEs) — 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-2021-33587 CVE-2022-21222 Upstream summary: The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the […]

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

Debian 12 — libfishsound — 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-2008-1686 Upstream summary: Array index vulnerability in Speex 1.1.12 and earlier, as used in libfishsound 0.9.0 and earlier, including Illiminable DirectShow Filters and Annodex Plugins for Firefox, xine-lib […]

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Debian 11 — mcollective — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mcollective — multiple vulnerabilities (6 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-2014-0164 CVE-2014-0175 CVE-2014-3248 CVE-2014-3251 CVE-2016-2788 CVE-2017-2292 Upstream summary: openshift-origin-broker-util, as used in Red Hat OpenShift Enterprise 1.2.7 and 2.0.5, uses world-readable permissions for the mcollective client.cfg configuration file, […]

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