Package Management

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

Oracle Linux 8 — GNOME security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-1766)

  • July 27, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1766 Related CVEs: CVE-2019-12448 CVE-2019-12449 CVE-2019-12447 CVE-2018-20337 CVE-2019-3825 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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How to Set Up FreeNAS-style ZFS on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up FreeNAS-style ZFS on FreeBSD 12

  • July 27, 2021
  • FreeBSD
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Introduction This guide explains how to Set Up FreeNAS-style ZFS on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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FreeBSD 13 — apache+mod_ssl+mod_snmp+mod_accel+mod_deflate+ipv — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apache+mod_ssl+mod_snmp+mod_accel+mod_deflate+ipv — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • July 27, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: apache — Prevent chunk-size integer overflow on platforms where sizeof(int) < sizeof(long) Related CVEs: CVE-2005-2088 CVE-2005-3352 CVE-2006-3747 Upstream summary: Apache ChangeLog reports: Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c […]

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AlmaLinux 8 — spice-vdagent — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — spice-vdagent — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • July 27, 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 ALSA-2021:1791 Related CVEs: CVE-2020-25650 CVE-2020-25651 CVE-2020-25652 CVE-2020-25653 Upstream summary: The spice-vdagent packages provide a SPICE agent for Linux guests. Security Fix(es): * spice-vdagent: possible file transfer DoS and information leak via active_xfers […]

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FreeBSD 13 — py36-pyrad — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py36-pyrad — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • July 27, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 27 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pyrad — multiple vulnerabilities Related CVEs: CVE-2013-0294 CVE-2013-0342 Upstream summary: Nathaniel McCallum reports: packet.py in pyrad before 2.1 uses weak random numbers to generate RADIUS authenticators and hash passwords, which […]

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FreeBSD 12 — opensearch — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — opensearch — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • July 27, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 July 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: OpenSearch — Log4Shell Related CVEs: CVE-2021-44228 CVE-2021-45046 CVE-2021-45105 Upstream summary: OpenSearch reports: CVE-2021-45105 for Log4j was issued after the release of OpenSearch 1.2.2. This CVE advises upgrading to Log4j 2.17.0. […]

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How to Set Up Two-Factor Authentication for SSH on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up Two-Factor Authentication for SSH on FreeBSD 13

  • July 27, 2021
  • FreeBSD
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Introduction How to Set Up Two-Factor Authentication for SSH on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf […]

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

Ubuntu 20.04 — coturn — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • July 27, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 July 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4690-1 Related CVEs: CVE-2020-26262 CVE-2020-4067 CVE-2020-6061 CVE-2020-6062 Upstream summary: It was discovered that coTURN allowed peers to connect and relay packets to loopback addresses in the range of 127.x.x.x. A […]

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Arch Linux — nvidia-utils — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — nvidia-utils — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • July 27, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202101-19 Related CVEs: CVE-2021-1056 CVE-2021-1053 CVE-2021-1052 CVE-2021-1095 CVE-2021-1094 CVE-2021-1093 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 455.45.01-1. Fixed in: 460.32.03-1. Group: AVG-1417. Table of contents Symptom & Impact Environment […]

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Ubuntu 20.04 — recutils — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — recutils — multiple vulnerabilities (13 CVEs) — patch and remediation guide

  • July 27, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 27 July 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7137-1 Related CVEs: CVE-2019-11637 CVE-2019-11638 CVE-2019-11639 CVE-2019-11640 CVE-2019-6455 CVE-2019-6456 CVE-2019-6457 CVE-2019-6458  +5 more Upstream summary: It was discovered that recutils incorrectly handled memory when parsing comments with the recparser utility. […]

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