Logging Monitoring

Debian 13 — x11vnc — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — x11vnc — 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-2020-29074 Upstream summary: scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other than the current user. Table of contents Symptom & Impact Environment […]

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

Debian 11 — tcpdf — multiple vulnerabilities (11 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-2017-6100 CVE-2018-17057 CVE-2024-22640 CVE-2024-22641 CVE-2024-32489 CVE-2024-51058 CVE-2024-56519 CVE-2024-56520  +3 more Upstream summary: tcpdf before 6.2.0 uploads files from the server generating PDF-files to an external FTP. Table of […]

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Debian 11 — unrar-free — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — unrar-free — multiple vulnerabilities (5 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-2017-11189 CVE-2017-11190 CVE-2017-14120 CVE-2017-14121 CVE-2017-14122 Upstream summary: unrarlib.c in unrar-free 0.0.1 might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash), which […]

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Debian 13 — libxalan2-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libxalan2-java — 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-2014-0107 Upstream summary: The TransformerFactory in Apache Xalan-Java before 2.7.2 does not properly restrict access to certain properties when FEATURE_SECURE_PROCESSING is enabled, which allows remote attackers to bypass […]

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Debian 12 — gnome-control-center — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — gnome-control-center — 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-2023-5616 Upstream summary: In Ubuntu, gnome-control-center did not properly reflect SSH remote login status when the system was configured to use systemd socket activation for openssh-server. This could […]

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

Debian 12 — rancid — 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-2008-4979 Upstream summary: getipacctg in rancid 2.3.2~a8 allows local users to overwrite arbitrary files via a symlink attack on (1) /tmp/ipacct.#####.prefixes, (2) /tmp/ipacct.#####.sorted, (3) /tmp/ipacct.#####.pl, and (4) /tmp/ipacct.##### […]

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Debian 13 — ngtcp2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ngtcp2 — 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-2026-40170 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria […]

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

Debian 13 — smstools — 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-2006-0083 Upstream summary: Format string vulnerability in the logging code of SMS Server Tools (smstools) 1.14.8 and earlier allows local users to execute arbitrary code via unspecified attack […]

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