Security Hardening

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

Debian 12 — jasypt — 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-2014-9970 Upstream summary: jasypt before 1.9.2 allows a timing attack against the password hash comparison. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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

Debian 13 — playmidi — 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-2005-0020 Upstream summary: Buffer overflow in playmidi before 2.4 allows local users to execute arbitrary code. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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

Debian 11 — archvsync — 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-2017-8805 Upstream summary: Debian ftpsync before 20171017 does not use the rsync –safe-links option, which allows remote attackers to conduct directory traversal attacks via a crafted upstream mirror. […]

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Debian 13 — ircd-ircu — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ircd-ircu — multiple vulnerabilities (3 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-2007-4408 CVE-2007-4410 CVE-2007-4411 Upstream summary: ircu 2.10.12.05 and earlier ignores timestamps in bounces, which allows remote attackers to take over a channel during a netjoin by causing a […]

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

Debian 11 — schroot — 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-2022-2787 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 — node-matrix-js-sdk — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-matrix-js-sdk — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-40823 CVE-2022-36059 CVE-2022-39236 CVE-2022-39249 CVE-2022-39250 CVE-2022-39251 CVE-2023-28427 CVE-2023-29529  +4 more Upstream summary: A logic error in the room key sharing functionality of matrix-js-sdk (aka Matrix Javascript SDK) before […]

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Debian 12 — django-markupfield — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — django-markupfield — 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-2015-0846 Upstream summary: django-markupfield before 1.3.2 uses the default docutils RESTRUCTUREDTEXT_FILTER_SETTINGS settings, which allows remote attackers to include and read arbitrary files via unspecified vectors. Table of contents […]

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Debian 12 — ansible-runner — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ansible-runner — 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-2021-3701 CVE-2021-4041 Upstream summary: A flaw was found in ansible-runner where the default temporary files configuration in ansible-2.0.0 are written to world R/W locations. This flaw allows an […]

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Debian 11 — golang-google-grpc — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-google-grpc — 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-2026-33186 Upstream summary: gRPC-Go is the Go language implementation of gRPC. Versions prior to 1.79.3 have an authorization bypass resulting from improper input validation of the HTTP/2 `:path` […]

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

Debian 11 — ipython — 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-2014-3429 CVE-2015-4707 CVE-2015-5607 CVE-2015-6938 CVE-2018-8768 CVE-2022-21699 Upstream summary: IPython Notebook 0.12 through 1.x before 1.2 does not validate the origin of websocket requests, which allows remote attackers to […]

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