Common Problems

AlmaLinux 8 — fribidi — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — fribidi — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:7514 Related CVEs: CVE-2022-25308 CVE-2022-25309 CVE-2022-25310 Upstream summary: FriBidi is a library to handle bidirectional scripts (for example Hebrew, Arabic), so that the display is done in the proper way, while the […]

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Debian 11 — openafs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — openafs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-0391 CVE-2007-1507 CVE-2007-6599 CVE-2009-1250 CVE-2009-1251 CVE-2011-0430 CVE-2011-0431 CVE-2013-1794  +12 more Upstream summary: Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or […]

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Common Problems 114392

DNF Metadata Download Fails on RHEL 9 (ON-RHEL-9)

🟡 Medium   ⏱ 5–30 min  Last verified: 2 January 2023 📖 ~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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Ubuntu 16.04 — ujson — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — ujson — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 January 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6629-1 Related CVEs: CVE-2021-45958 CVE-2022-31116 CVE-2022-31117 Upstream summary: It was discovered that UltraJSON incorrectly handled certain input with a large amount of indentation. An attacker could possibly use this issue […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 2 January 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7614-1 Related CVEs: CVE-2017-2661 CVE-2022-2735 CVE-2018-1086 CVE-2022-1049 Upstream summary: Cedric Buissart discovered that pcs did not correctly handle certain parameters. An attacker could possibly use this issue to leak sensitive […]

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9726)

🟠 High   ⏱ 15–60 min  Last verified: 2 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9726 Related CVEs: CVE-2022-21385 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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AlmaLinux 8 — uom-se — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — uom-se — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:0290 Related CVEs: CVE-2021-4104 CVE-2022-23302 CVE-2022-23305 CVE-2022-23307 Upstream summary: Parfait is a Java performance monitoring library that collects metrics and exposes them through a variety of outputs. It provides APIs for extracting […]

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Common Problems 115517

subscription-manager Certificates Cause yum SSL Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 1 January 2023 📖 ~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 — libexo — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libexo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 January 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: XFCE — Allows executing malicious .desktop files pointing to remote code Related CVEs: CVE-2022-32278 Upstream summary: XFCE Project reports: Prevent executing possibly malicious .desktop files from online sources (ftp://, http:// […]

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