Package Management

Oracle Linux 8 — virt:ol and virt-devel:rhel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:ol and virt-devel:rhel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-2757)

  • June 28, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 28 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2757 Related CVEs: CVE-2021-46790 CVE-2022-30784 CVE-2022-30786 CVE-2022-30788 CVE-2022-30789 CVE-2022-3165 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 117454

Ubuntu 20.04 LTS Repository Does Not Have a Release File

  • June 28, 2021
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 28 June 2021 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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How to Install Perl on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Install Perl on SLES 15

Introduction This tutorial covers How to Install Perl on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh && […]

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FreeBSD 13 — mule-common — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mule-common — vulnerability — patch and remediation guide

  • June 28, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 28 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: emacs — movemail format string vulnerability Related CVEs: CVE-2005-0100 Upstream summary: Max Vozeler discovered several format string vulnerabilities in the movemail utility of Emacs. They can be exploited when connecting […]

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openSUSE Tumbleweed — messagelib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — messagelib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 28, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:0188-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-10732 CVE-2021-31855 Upstream summary: In KDE KMail 5.2.3, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as sub-parts within a […]

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Ubuntu 16.04 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 28, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 28 June 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4926-1 Related CVEs: CVE-2021-23994 CVE-2021-23995 CVE-2021-23996 CVE-2021-23997 CVE-2021-23998 CVE-2021-23999 CVE-2021-24000 CVE-2021-24001  +12 more Upstream summary: Multiple security issues were discovered in Firefox. If a user were tricked into opening a […]

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SLES 15 — jsr — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — jsr — vulnerability — patch and remediation guide

  • June 28, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 28 June 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:1357-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-37714 Upstream summary: jsoup is a Java library for working with HTML. Those using jsoup versions prior to 1.14.2 to parse untrusted HTML or XML […]

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Arch Linux — awstats — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — awstats — vulnerability — patch and remediation guide

  • June 28, 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-202103-15 Related CVEs: CVE-2020-35176 Upstream summary: Type: directory traversal. Status: Fixed. Affected: 7.8-2. Fixed in: 7.8-3. Group: AVG-1356. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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How to Install Vault for Secrets Management on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Vault for Secrets Management on FreeBSD 13 (ON-FREEBSD-13)

  • June 28, 2021
  • FreeBSD
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Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install vault for secrets management 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 […]

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Oracle Linux 8 — libldb — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libldb — vulnerability — patch and remediation guide (ELSA-2021-1197)

  • June 28, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 28 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1197 Related CVEs: CVE-2021-20277 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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