Logging Monitoring

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

Debian 11 — libpff — 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-2018-11723 CVE-2018-20348 CVE-2020-18897 Upstream summary: The libpff_name_to_id_map_entry_read function in libpff_name_to_id_map.c in libyal libpff through 2018-04-28 allows remote attackers to cause an information disclosure (heap-based buffer over-read) via a […]

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Debian 11 — apache-mime4j — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — apache-mime4j — 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-2024-21742 Upstream summary: Improper input validation allows for header injection in MIME4J library when using MIME4J DOM for composing message. This can be exploited by an attacker to […]

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Debian 10 — x11vnc — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — x11vnc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-29074 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 9 — isc-dhcp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — isc-dhcp — 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-2017-3144 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 — flexbackup — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — flexbackup — 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-2005-4802 Upstream summary: Flexbackup 1.2.1 and earlier allows local users to overwrite files and execute code via a symlink attack on temporary files. NOTE: the raw source referenced […]

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

Debian 11 — feh — 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-2010-2246 CVE-2011-0702 CVE-2011-1031 CVE-2017-7875 Upstream summary: feh before 1.8, when the –wget-timestamp option is enabled, might allow remote attackers to execute arbitrary commands via shell metacharacters in a […]

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

Debian 11 — tcpick — 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-2006-0048 Upstream summary: Francesco Stablum tcpick 0.2.1 allows remote attackers to cause a denial of service (segmentation fault) via certain fragmented packets, possibly involving invalid headers and an […]

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Debian 11 — libcgi-pm-perl — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libcgi-pm-perl — 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-2010-2761 CVE-2010-4410 CVE-2010-4411 CVE-2012-5526 Upstream summary: The multipart_init function in (1) CGI.pm before 3.50 and (2) Simple.pm in CGI::Simple 1.112 and earlier uses a hardcoded value of the […]

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