Operations

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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Debian 12 — foo2zjs — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — foo2zjs — 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-2011-2684 Upstream summary: foo2zjs before 20110722dfsg-3ubuntu1 as packaged in Ubuntu, 20110722dfsg-1 as packaged in Debian unstable, and 20090908dfsg-5.1+squeeze0 as packaged in Debian squeeze create temporary files insecurely, which […]

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Debian 12 — python-dynaconf — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — python-dynaconf — 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-2026-33154 Upstream summary: dynaconf is a configuration management tool for Python. Prior to version 3.2.13, Dynaconf is vulnerable to Server-Side Template Injection (SSTI) due to unsafe template evaluation […]

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

Debian 11 — influxdb — 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-2018-17572 CVE-2019-20933 CVE-2022-36640 Upstream summary: InfluxDB 0.9.5 has Reflected XSS in the Write Data module. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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

Debian 11 — bip — 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-2010-3071 CVE-2011-5268 CVE-2012-0806 CVE-2013-4550 Upstream summary: bip before 0.8.6 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an empty USER […]

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