Package Management

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-3010)

  • August 16, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 16 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3010 Related CVEs: CVE-2019-19807 CVE-2020-10757 CVE-2020-10766 CVE-2020-10767 CVE-2020-10768 CVE-2019-3016 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Set Up Microsoft Deployment Toolkit (MDT) on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Microsoft Deployment Toolkit (MDT) on Windows Server 2012 R2

How to Set Up Microsoft Deployment Toolkit (MDT) on Windows Server 2012 R2 Microsoft Deployment Toolkit (MDT) is a free Microsoft solution that extends Windows Deployment Services to provide a fully automated, zero-touch operating system and application deployment framework. MDT uses task sequences — ordered lists of steps — to deploy Windows, install applications, apply […]

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FreeBSD 13 — mono — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mono — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • August 16, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 16 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mono — DoS and code execution Related CVEs: CVE-2006-5072 CVE-2009-0217 CVE-2009-0689 Upstream summary: NCC Group reports: An attacker who can cause a carefully-chosen string to be converted to a floating-point […]

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

AlmaLinux 8 — chrony — vulnerability — patch and remediation guide

  • August 16, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4462 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 OSPF with FRRouting on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure OSPF with FRRouting on FreeBSD 13

  • August 16, 2021
  • FreeBSD
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Introduction Deploying configure ospf with frrouting on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

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FreeBSD 13 — openlierox — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — openlierox — vulnerability — patch and remediation guide

  • August 16, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 16 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libzip — integer overflow Related CVEs: CVE-2015-2331 Upstream summary: libzip developers report: Avoid integer overflow. Fixed similarly to patch used in PHP copy of libzip. Table of contents Symptom & […]

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

AlmaLinux 8 — anaconda — vulnerability — patch and remediation guide

  • August 16, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1780 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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FreeBSD 12 — cryptopp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — cryptopp — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • August 16, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 16 August 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cryptopp — ElGamal implementation allows plaintext recovery Related CVEs: CVE-2015-2141 CVE-2016-3995 CVE-2016-7420 CVE-2021-40530 Upstream summary: Crypto++ 8.6 release notes reports: The ElGamal implementation in Crypto++ through 8.5 allows plaintext recovery […]

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Ubuntu 14.04 — zeromq3 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — zeromq3 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • August 16, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 16 August 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4920-1 Related CVEs: CVE-2019-13132 CVE-2020-15166 CVE-2021-20234 CVE-2021-20235 CVE-2021-20237 Upstream summary: It was discovered that ZeroMQ incorrectly handled certain application metadata. A remote attacker could use this issue to cause ZeroMQ […]

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Ubuntu 18.04 — python-bleach — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-bleach — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • August 16, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 16 August 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8077-1 Related CVEs: CVE-2020-6816 CVE-2021-23980 CVE-2018-7753 CVE-2020-6802 CVE-2020-6817 Upstream summary: It was discovered that Bleach did not properly sanitize URI attributes containing character entities. An attacker could possibly use this […]

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