Security Hardening

Debian 11 — das-watchdog — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — das-watchdog — 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-2015-2831 Upstream summary: Buffer overflow in das_watchdog 0.9.0 allows local users to execute arbitrary code with root privileges via a large string in the XAUTHORITY environment variable. Table […]

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

Debian 11 — agg — 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-2019-6245 Upstream summary: An issue was discovered in Anti-Grain Geometry (AGG) 2.4 as used in SVG++ (aka svgpp) 1.2.3. In the function agg::cell_aa::not_equal, dx is assigned to (x2 […]

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

Debian 11 — pykerberos — 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-2015-3206 Upstream summary: The checkPassword function in python-kerberos does not authenticate the KDC it attempts to communicate with, which allows remote attackers to cause a denial of service […]

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Debian 12 — ax25-tools — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ax25-tools — 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-2011-2910 Upstream summary: The AX.25 daemon (ax25d) in ax25-tools before 0.0.8-13 does not check the return value of a setuid call. The setuid call is responsible for dropping […]

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Debian 13 — node-json-schema — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-json-schema — 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-2021-3918 Upstream summary: json-schema is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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Debian 12 — rust-coreutils — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rust-coreutils — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-35338 CVE-2026-35339 CVE-2026-35340 CVE-2026-35341 CVE-2026-35342 CVE-2026-35343 CVE-2026-35344 CVE-2026-35345  +12 more Upstream summary: A vulnerability in the chmod utility of uutils coreutils allows users to bypass the –preserve-root safety […]

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Debian 12 — libndp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libndp — multiple vulnerabilities (3 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-2014-3554 CVE-2016-3698 CVE-2024-5564 Upstream summary: Buffer overflow in the ndp_msg_opt_dnssl_domain function in libndp allows remote routers to cause a denial of service (crash) and possibly execute arbitrary code […]

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

Debian 11 — djangorestframework — 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-2018-25045 CVE-2020-25626 CVE-2024-21520 Upstream summary: Django REST framework (aka django-rest-framework) before 3.9.1 allows XSS because the default DRF Browsable API view templates disable autoescaping. Table of contents Symptom […]

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Debian 12 — mdadm — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mdadm — multiple vulnerabilities (3 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-2014-5220 CVE-2023-28736 CVE-2023-28938 Upstream summary: The mdcheck script of the mdadm package for openSUSE 13.2 prior to version 3.3.1-5.14.1 does not properly sanitize device names, which allows local […]

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

Debian 12 — chasen — 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-2011-4000 Upstream summary: Buffer overflow in ChaSen 2.4.x allows remote attackers to execute arbitrary code via a crafted string. Table of contents Symptom & Impact Environment & Reproduction […]

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