Package Management

Amazon Linux 2 — libwebp — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libwebp — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2021-1676 Related CVEs: CVE-2018-25011 CVE-2020-36328 CVE-2020-36329 CVE-2018-25013 CVE-2018-25014 CVE-2020-36330 CVE-2020-36331 Upstream summary: A flaw was found in libwebp. A heap-based buffer overflow was found in PutLE16(). The highest threat from […]

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FreeBSD 12 — linux-firefox-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-firefox-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Mozilla — multiple vulnerabilities Related CVEs: CVE-2006-3113 CVE-2006-3677 CVE-2006-3801 CVE-2006-3802 CVE-2006-3803 CVE-2006-3804 CVE-2006-3805 CVE-2006-3806  +12 more Upstream summary: The Mozilla Project reports: MFSA 2011-12 Miscellaneous memory safety hazards MFSA 2011-13 […]

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How to Set Up Automatic Security Updates on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Automatic Security Updates on Debian 10

Introduction How to Set Up Automatic Security Updates on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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FreeBSD 12 — postgresql10-server — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — postgresql10-server — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PostgreSQL Server — execute arbitrary SQL code as DBA user Related CVEs: CVE-2017-15098 CVE-2017-15099 CVE-2018-1052 CVE-2018-1053 CVE-2018-1058 CVE-2018-10915 CVE-2018-10925 CVE-2018-16850  +8 more Upstream summary: The PostgreSQL project reports: Confine additional […]

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How to Configure Network Bridging on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Network Bridging on Debian 10

Introduction How to Configure Network Bridging on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. This […]

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FreeBSD 12 — gallery — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — gallery — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gallery — multiple vulnerabilities Related CVEs: CVE-2004-0522 CVE-2004-1106 CVE-2004-2124 CVE-2005-0219 CVE-2005-0220 CVE-2005-0221 CVE-2005-0222 CVE-2005-3251  +9 more Upstream summary: Red Hat Security Response Team reports: Gallery upstream has released 3.0.9 version, […]

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How to Configure Azure Backup Agent on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Azure Backup Agent on Windows Server 2012 R2

How to Configure Azure Backup Agent on Windows Server 2012 R2 The Microsoft Azure Backup Agent (also known as the MARS agent — Microsoft Azure Recovery Services) enables you to back up files, folders, and system state directly from Windows Server 2012 R2 to Microsoft Azure Recovery Services Vault, without requiring Azure virtual machines or […]

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How to Configure SELinux on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure SELinux on RHEL 7

How to Configure SELinux on RHEL 7 SELinux (Security-Enhanced Linux) is a mandatory access control (MAC) system built into the Linux kernel and enabled by default on every RHEL 7 installation. Unlike traditional Unix discretionary access control (DAC), which lets file owners decide who can access their files, SELinux enforces a policy defined by the […]

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FreeBSD 12 — cfengine — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — cfengine — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cfengine — arbitrary file overwriting vulnerability Related CVEs: CVE-2005-2960 Upstream summary: A Debian Security Advisory reports: Javier Fernández-Sanguino Peña discovered several insecure temporary file uses in cfengine, a tool for […]

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Ubuntu 16.04 — sa-exim — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — sa-exim — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 February 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4520-1 Related CVEs: CVE-2019-19920 Upstream summary: It was discovered that Exim SpamAssassin does not properly handle configuration strings. An attacker could possibly use this issue to execute arbitrary code. (CVE-2019-19920) […]

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