Package Management

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

Debian 11 — xdm — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-4447 CVE-2006-5214 CVE-2006-5215 Upstream summary: X.Org and XFree86, including libX11, xdm, xf86dga, xinit, xload, xtrans, and xterm, does not check the return values for setuid and seteuid calls […]

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Debian 11 — open-vm-tools — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — open-vm-tools — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-1142 CVE-2009-1143 CVE-2011-1681 CVE-2011-1787 CVE-2011-2145 CVE-2011-2146 CVE-2013-3237 CVE-2014-4199  +9 more Upstream summary: An issue was discovered in open-vm-tools 2009.03.18-154848. Local users can gain privileges via a symlink attack […]

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Ubuntu 18.04 — libnet-cidr-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libnet-cidr-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 November 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8110-1 Related CVEs: CVE-2021-4456 Upstream summary: Dave Rolsky discovered that Net-CIDR did not properly sanitize IP addresses. An attacker could possibly use this to bypass IP-based restrictions. Table of contents […]

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AlmaLinux 8 — libnumbertext — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libnumbertext — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:1779 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Ubuntu 20.04 — gnome-autoar — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gnome-autoar — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 November 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4937-2 Related CVEs: https://launchpad.net/bugs/1929304 CVE-2021-28650 https://launchpad.net/bugs/1917812 CVE-2020-36241 Upstream summary: USN-4937-1 fixed a vulnerability in GNOME Autoar. The update caused a regression when extracting certain archives. This update fixes the problem. […]

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Oracle Linux 8 — libqb — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libqb — security and stability fixes — required update (ELSA-2019-3610)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3610 Related CVEs: CVE-2019-12779 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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FreeBSD 13 — redmine — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — redmine — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: redmine — information leak vulnerability Related CVEs: CVE-2012-0327 CVE-2014-1985 CVE-2015-8346 CVE-2015-8473 CVE-2015-8474 CVE-2015-8477 CVE-2015-8537 Upstream summary: Redmine reports: Data disclosure in atom feed. Table of contents Symptom & Impact Environment […]

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AlmaLinux 8 — libnotify — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libnotify — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1818 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Configure dnsmasq on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure dnsmasq on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure dnsmasq on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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FreeBSD 13 — quake2forge — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — quake2forge — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: quake2 — multiple critical vulnerabilities Upstream summary: An advisory published by Richard Stanway describes numerous critical vulnerabilities in the Quake II engine: Due to unchecked input at various stages in […]

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