Security Hardening

Debian 11 — libjifty-dbi-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libjifty-dbi-perl — 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-2011-1933 Upstream summary: SQL injection vulnerability in Jifty::DBI before 0.68. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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

Debian 11 — rush — 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-2013-6889 Upstream summary: GNU Rush 1.7 does not properly drop privileges, which allows local users to read arbitrary files via the –lint option. Table of contents Symptom & […]

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

Debian 12 — scriptaculous — 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-2008-7220 Upstream summary: Unspecified vulnerability in Prototype JavaScript framework (prototypejs) before 1.6.0.2 allows attackers to make "cross-site ajax requests" via unknown vectors. Table of contents Symptom & Impact […]

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Debian 13 — bzip2 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — bzip2 — multiple vulnerabilities (8 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-2005-0758 CVE-2005-0953 CVE-2005-1260 CVE-2008-1372 CVE-2010-0405 CVE-2011-4089 CVE-2016-3189 CVE-2019-12900 Upstream summary: zgrep in gzip before 1.3.5 does not properly sanitize arguments, which allows local users to execute arbitrary commands […]

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

Debian 13 — rope — 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-2014-3539 Upstream summary: base/oi/doa.py in the Rope library in CPython (aka Python) allows remote attackers to execute arbitrary code by leveraging an unsafe call to pickle.load. Table of […]

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Debian 13 — python-psutil — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-psutil — 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-2019-18874 Upstream summary: psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data […]

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Debian 12 — markdown-it-py — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — markdown-it-py — 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-2023-26302 CVE-2023-26303 Upstream summary: Denial of service could be caused to the command line interface of markdown-it-py, before v2.2.0, if an attacker was allowed to use invalid UTF-8 […]

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Debian 13 — kitty — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — kitty — multiple vulnerabilities (5 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-2020-35605 CVE-2022-41322 CVE-2025-43929 CVE-2026-33633 CVE-2026-33642 Upstream summary: The Graphics Protocol feature in graphics.c in kitty before 0.19.3 allows remote attackers to execute arbitrary code because a filename containing […]

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Debian 12 — openvpn-auth-ldap — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — openvpn-auth-ldap — 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-2024-28820 Upstream summary: Buffer overflow in the extract_openvpn_cr function in openvpn-cr.c in openvpn-auth-ldap (aka the Three Rings Auth-LDAP plugin for OpenVPN) 2.0.4 allows attackers with a valid LDAP […]

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