Common Problems

Debian 12 — chocolate-doom — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — chocolate-doom — 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-2020-14983 Upstream summary: The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can […]

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

Debian 13 — dnstracer — 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-2017-9430 Upstream summary: Stack-based buffer overflow in dnstracer through 1.9 allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a command […]

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Debian 12 — libpdfbox2-java — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libpdfbox2-java — multiple vulnerabilities (8 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-2018-11797 CVE-2018-8036 CVE-2021-27807 CVE-2021-27906 CVE-2021-31811 CVE-2021-31812 CVE-2026-23907 CVE-2026-33929 Upstream summary: In Apache PDFBox 1.8.0 to 1.8.15 and 2.0.0RC1 to 2.0.11, a carefully crafted PDF file can trigger an […]

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

Debian 13 — freedombox — 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-2025-68462 Upstream summary: Freedombox before 25.17.1 does not set proper permissions for the backups-data directory, allowing the reading of dump files of databases. Table of contents Symptom & Impact […]

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

Debian 9 — tmpreaper — 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-2019-3461 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 11 — rake — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rake — 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-2020-8130 Upstream summary: There is an OS command injection vulnerability in Ruby Rake < 12.3.3 in Rake::FileList when supplying a filename that begins with the pipe character `|`. […]

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Debian 11 — inn2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — inn2 — multiple vulnerabilities (3 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-2001-1442 CVE-2004-0045 CVE-2012-3523 Upstream summary: Buffer overflow in innfeed for ISC InterNetNews (INN) before 2.3.0 allows local users in the "news" group to gain privileges via a long […]

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Debian 11 — slirp4netns — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — slirp4netns — multiple vulnerabilities (7 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-2019-14378 CVE-2019-15890 CVE-2019-6778 CVE-2019-9824 CVE-2020-10756 CVE-2020-1983 CVE-2020-8608 Upstream summary: ip_reass in ip_input.c in libslirp 4.0.0 has a heap-based buffer overflow via a large packet because it mishandles a […]

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Debian 11 — obs-build — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — obs-build — 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-2017-14804 Upstream summary: The build package before 20171128 did not check directory names during extraction of build results that allowed untrusted builds to write outside of the target […]

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

Debian 12 — stellarium — 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-2023-28371 Upstream summary: In Stellarium through 1.2, attackers can write to files that are typically unintended, such as ones with absolute pathnames or .. directory traversal. Table of […]

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