Security Hardening

Debian 10 — xz-utils — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — xz-utils — 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-2022-1271 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 — dhcpcd5 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — dhcpcd5 — multiple vulnerabilities (9 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-2014-6060 CVE-2014-7912 CVE-2014-7913 CVE-2016-1503 CVE-2016-1504 CVE-2019-11577 CVE-2019-11578 CVE-2019-11579  +1 more Upstream summary: The get_option function in dhcpcd 4.0.0 through 6.x before 6.4.3 allows remote DHCP servers to cause […]

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Debian 11 — libgphoto2 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libgphoto2 — multiple vulnerabilities (8 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-2026-40333 CVE-2026-40334 CVE-2026-40335 CVE-2026-40336 CVE-2026-40338 CVE-2026-40339 CVE-2026-40340 CVE-2026-40341 Upstream summary: libgphoto2 is a camera access and control library. In versions up to and including 2.5.33, two functions in […]

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

Debian 13 — usbview — 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-2022-23220 Upstream summary: USBView 2.1 before 2.2 allows some local users (e.g., ones logged in via SSH) to execute arbitrary code as root because certain Polkit settings (e.g., allow_any=yes) […]

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

Debian 11 — setuptools — 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-2022-40897 CVE-2024-6345 CVE-2025-47273 Upstream summary: Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or […]

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Debian 11 — libhtp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libhtp — multiple vulnerabilities (4 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-2018-10243 CVE-2019-17420 CVE-2024-23837 CVE-2024-45797 Upstream summary: htp_parse_authorization_digest in htp_parsers.c in LibHTP 0.5.26 allows remote attackers to cause a heap-based buffer over-read via an authorization digest header. Table of […]

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Debian 11 — rust-rand-core — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-rand-core — 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-2020-25576 Upstream summary: An issue was discovered in the rand_core crate before 0.4.2 for Rust. Casting of byte slices to integer slices mishandles alignment constraints. Table of contents […]

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Debian 12 — usemod-wiki — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — usemod-wiki — 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-2004-1397 Upstream summary: Cross-site scripting (XSS) vulnerability in UseModWiki 1.0 allows remote attackers to inject arbitrary web script or HTML via an argument to wiki.pl. Table of contents […]

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Debian 13 — rust-smallvec — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — rust-smallvec — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-25023 CVE-2019-15551 CVE-2019-15554 CVE-2021-25900 Upstream summary: An issue was discovered in the smallvec crate before 0.6.13 for Rust. It can create an uninitialized value of any type, including […]

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