Common Problems

Common Problems 112567

Windows Server 2019 — KDC service fails to start due to port 88 conflict — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 7 November 2020 Affected versions: Windows Server 2019 📖 ~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
Gentoo Linux — www-client/opera-beta — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-client/opera-beta — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202401-19 Related CVEs: CVE-2020-15999 Upstream summary: Multiple vulnerabilities have been discovered in Opera. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

Read more
Oracle Linux 8 — pki-deps:10.6 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — pki-deps:10.6 — vulnerability — patch and remediation guide (ELSA-2019-1529)

🟠 High   ⏱ 15–60 min  Last verified: 7 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1529 Related CVEs: CVE-2018-8014 CVE-2018-8034 CVE-2018-11784 CVE-2018-8037 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

Read more
Arch Linux — brotli — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — brotli — vulnerability — 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-202009-13 Related CVEs: CVE-2020-8927 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.0.7-1. Fixed in: 1.0.9-1. Group: AVG-1230. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

Read more
Oracle Linux 8 — dhcp — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dhcp — security and stability fixes — required update (ELSA-2019-3525)

🟡 Medium   ⏱ 10–30 min  Last verified: 6 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3525 Related CVEs: CVE-2019-6470 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Common Problems 113506

Windows Server 2012 R2 – iSCSI initiator driver sessions fail to reconnect – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 November 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

Read more
openSUSE Tumbleweed — python36-Jinja2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-Jinja2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:1395-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-10745 CVE-2019-10906 CVE-2020-28493 Upstream summary: In Pallets Jinja before 2.8.1, str.format allows a sandbox escape. Table of contents Symptom & Impact Environment & Reproduction Root […]

Read more
Ubuntu 20.04 — libpgjava — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libpgjava — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 November 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5238-1 Related CVEs: CVE-2020-13692 Upstream summary: It was discovered that PostgreSQL JDBC Driver incorrectly handled certain requests from external entities. A remote attacker could use this vulnerability to cause a […]

Read more
Debian 10 — linux — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — linux — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 November 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8553 CVE-2018-12207 CVE-2018-20836 CVE-2019-13272 CVE-2019-14821 CVE-2019-2182 CVE-2019-3016 CVE-2020-2732  +5 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

Read more
Oracle Linux 8 — gettext — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — gettext — vulnerability — patch and remediation guide (ELSA-2019-3643)

🟢 Low   ⏱ 5–15 min  Last verified: 5 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3643 Related CVEs: CVE-2018-18751 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
CHAT