Security Hardening

Debian 13 — sentry-python — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — sentry-python — 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-2024-40647 Upstream summary: sentry-sdk is the official Python SDK for Sentry.io. A bug in Sentry's Python SDK < 2.8.0 allows the environment variables to be passed to subprocesses despite […]

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Debian 9 — dnsmasq — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — dnsmasq — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-14491 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 — node-micromatch — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-micromatch — 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-2024-4067 Upstream summary: The NPM package `micromatch` prior to 4.0.8 is vulnerable to Regular Expression Denial of Service (ReDoS). The vulnerability occurs in `micromatch.braces()` in `index.js` because the pattern […]

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Debian 11 — libjs-bootbox — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libjs-bootbox — 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-2023-46998 Upstream summary: Cross Site Scripting vulnerability in BootBox Bootbox.js v.3.2 through 6.0 allows a remote attacker to execute arbitrary code via a crafted payload to alert(), confirm(), […]

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

Debian 12 — zangband — 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-2021-40589 Upstream summary: ZAngband zangband-data 2.7.5 is affected by an integer underflow vulnerability in src/tk/plat.c through the variable fileheader.bfOffBits. Table of contents Symptom & Impact Environment & Reproduction […]

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Debian 9 — php-horde-image — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — php-horde-image — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-9773 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 10 — spice — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — spice — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-14355 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 9 — pdns-recursor — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — pdns-recursor — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-15120 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 12 — apache-log4j1.2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — apache-log4j1.2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17571 CVE-2021-4104 CVE-2022-23302 CVE-2022-23305 CVE-2022-23307 CVE-2026-34480 Upstream summary: Included in Log4j 1.2 is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited […]

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

Debian 12 — catimg — 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-2018-13794 Upstream summary: A heap-based buffer overflow exists in stbi__bmp_load_cont in stb_image.h in catimg 2.4.0. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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