April 2022 - Page 5 of 70

Common Problems 115609

RHEL 7 yum repository unreachable through enterprise proxy

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 7 📖 ~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 & […]

Read more
SLES 15 — ruby2.5-rubygem-rails-html-sanitizer — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — ruby2.5-rubygem-rails-html-sanitizer — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3534-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-23518 CVE-2022-23519 CVE-2022-23517 CVE-2022-23520 CVE-2022-32209 Upstream summary: rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Versions >= 1.0.3, < 1.4.4 are vulnerable to […]

Read more
IBM AIX 7.3 — CVE-2009-2434 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2009-2434 — buffer overflow — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2009-2434, IBM Support Bulletin CVE: CVE-2009-2434 NVD summary: Buffer overflow in the syscall implementation in IBM AIX 5.3 allows local users to gain privileges via unspecified vectors. References: secunia.com/advisories/35754   securitytracker.com/id?1022530   […]

Read more
FreeBSD 13 — moodle — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — moodle — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: moodle — Login CSRF vulnerability Related CVEs: CVE-2015-3272 CVE-2015-3273 CVE-2015-3274 CVE-2015-3275 CVE-2015-5264 CVE-2015-5265 CVE-2015-5266 CVE-2015-5267  +12 more Upstream summary: moodle reports: The login form is not protected by a token […]

Read more
How to Configure DNS Forwarding with Unbound on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure DNS Forwarding with Unbound on RHEL 10

Introduction This tutorial demonstrates how to Configure DNS Forwarding with Unbound on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream […]

Read more
AlmaLinux 8 — libICE — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libICE — 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-2019:3412 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 […]

Read more
AlmaLinux 8 — sendmail — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — sendmail — 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-2021:1858 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 […]

Read more
AlmaLinux 8 — qt5-qtwebchannel — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — qt5-qtwebchannel — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4172 Related CVEs: CVE-2021-3481 Upstream summary: Qt is a software toolkit for developing applications. The following packages have been upgraded to a later upstream version: adwaita-qt (1.2.1), python-qt5 (5.15.0), qgnomeplatform (0.7.1), qt5 […]

Read more
Gentoo Linux — mail-client/alpine — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — mail-client/alpine — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202301-07 Related CVEs: CVE-2021-38370 CVE-2021-46853 Upstream summary: Multiple vulnerabilities have been discovered in Alpine. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

Read more
CHAT