Common Problems

Ubuntu 16.04 — openjpeg — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — openjpeg — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 May 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5664-1 Related CVEs: CVE-2016-10506 CVE-2016-7445 CVE-2016-9112 CVE-2017-17479 CVE-2018-18088 CVE-2020-27824 Upstream summary: It was discovered that OpenJPEG did not properly handle PNM headers, resulting in a null pointer dereference. A remote […]

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SLES 12 — puppet — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — puppet — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 May 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3355-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-27023 CVE-2020-7942 CVE-2011-3848 CVE-2011-3872 CVE-2012-3864 CVE-2012-3865 CVE-2012-3866 CVE-2013-3567  +6 more Upstream summary: A flaw was discovered in Puppet Agent and Puppet Server that may result […]

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Arch Linux — opensc — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — opensc — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202011-27 Related CVEs: CVE-2020-26572 CVE-2020-26571 CVE-2020-26570 CVE-2019-6502 CVE-2019-19481 CVE-2019-19480 CVE-2019-19479 CVE-2019-15946  +1 more Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 0.20.0-3. Fixed in: 0.21.0-1. Group: AVG-1298. Table of […]

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Arch Linux — haproxy — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — haproxy — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202004-7 Related CVEs: CVE-2020-11100 CVE-2018-20103 CVE-2018-20102 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 2.1.3-1. Fixed in: 2.1.4-1. Group: AVG-1124. Table of contents Symptom & Impact Environment & Reproduction […]

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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-2021-1586)

🟡 Medium   ⏱ 10–30 min  Last verified: 29 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1586 Related CVEs: CVE-2020-9983 CVE-2019-13012 CVE-2020-13584 CVE-2020-9951 CVE-2020-9948 CVE-2020-13543 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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AlmaLinux 8 — tog-pegasus — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — tog-pegasus — 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-2020:4678 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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AlmaLinux 8 — pulseaudio — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — pulseaudio — 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-2021:1903 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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Common Problems 117496

Ubuntu 20.04 Suspend and Resume Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 29 May 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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FreeBSD 13 — sddm — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — sddm — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: X11 Session — SDDM allows unauthorised unlocking Related CVEs: CVE-2018-14345 Upstream summary: MITRE reports: An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not […]

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

AlmaLinux 8 — libpwquality — 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-2021:1605 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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