Security Hardening

Debian 13 — rust-regex — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — rust-regex — 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-2022-24713 Upstream summary: regex is an implementation of regular expressions for the Rust language. The regex crate features built-in mitigations to prevent denial of service attacks caused by untrusted […]

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Debian 13 — postorius — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — postorius — multiple vulnerabilities (2 CVEs) — 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-2021-40347 CVE-2026-44742 Upstream summary: An issue was discovered in views/list.py in GNU Mailman Postorius before 1.3.5. An attacker (logged into any account) can send a crafted POST request […]

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

Debian 12 — xboard — 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-2004-2552 Upstream summary: Buffer overflow in XBoard 4.2.7 and earlier might allow local users to execute arbitrary code via a long -icshost command line argument. NOTE: since the […]

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Debian 11 — re2c — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — re2c — 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-2018-21232 CVE-2020-11958 CVE-2022-23901 CVE-2026-2903 Upstream summary: re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 12 — tt-rss — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — tt-rss — multiple vulnerabilities (5 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-2017-1000035 CVE-2017-16896 CVE-2020-25787 CVE-2020-25788 CVE-2020-25789 Upstream summary: Tiny Tiny RSS before 829d478f is vulnerable to XSS window.opener attack Table of contents Symptom & Impact Environment & Reproduction Root […]

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

Debian 9 — transmission — 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-2018-5702 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 — almanah — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — almanah — 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-2013-1853 Upstream summary: Almanah Diary 0.9.0 and 0.10.0 does not encrypt the database when closed, which allows local users to obtain sensitive information by reading the database. Table […]

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

Debian 9 — openocd — 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-2018-5704 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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