Common Problems

Common Problems 111813

Windows Server 2022 – IIS application pool repeatedly stopping – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 9 December 2022 Affected versions: Windows Server 2022 📖 ~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 […]

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Ubuntu 18.04 — libetpan — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libetpan — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 December 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7740-1 Related CVEs: CVE-2022-4121 Upstream summary: It was discovered that LibEtPan incorrectly handled memory when parsing IMAP STATUS responses. A remote attacker could possibly use this issue to cause LibEtPan […]

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Ubuntu 18.04 — tmux — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — tmux — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 December 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5843-1 Related CVEs: CVE-2022-47016 Upstream summary: It was discovered that tmux incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. Table of […]

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Ubuntu 18.04 — node-eventsource — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-eventsource — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 December 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6082-1 Related CVEs: CVE-2022-1650 Upstream summary: It was discovered that EventSource incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input […]

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AlmaLinux 8 — utf8proc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — utf8proc — 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-2022:2234 Related CVEs: CVE-2022-24070 CVE-2020-17525 CVE-2019-0203 CVE-2018-11782 Upstream summary: Subversion (SVN) is a concurrent version control system which enables one or more users to collaborate in developing and maintaining a hierarchy of […]

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FreeBSD 12 — rubygem-actionpack — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-actionpack — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 December 2022 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Rails — XSS vulnerabilities Related CVEs: CVE-2012-3424 CVE-2012-3463 CVE-2012-3464 CVE-2012-3465 CVE-2013-0155 CVE-2013-0156 CVE-2013-1854 CVE-2013-1856  +12 more Upstream summary: Ruby on Rails blog: This is an announcement to let you know […]

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Common Problems 121671

Debian 9 – KVM Bridge Networking Stops Passing Traffic – Host Bridge Repair

🟠 High   ⏱ 5–30 min  Last verified: 8 December 2022 Affected versions: Debian 9 📖 ~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 & […]

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Debian 11 — netkit-telnet-ssl — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — netkit-telnet-ssl — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0640 CVE-2004-0911 CVE-2004-0998 CVE-2005-0469 CVE-2020-10188 Upstream summary: Format string vulnerability in the SSL_set_verify function in telnetd.c for SSLtelnet daemon (SSLtelnetd) 0.13 allows remote attackers to execute arbitrary code. […]

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FreeBSD 12 — xtrabackup — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — xtrabackup — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 December 2022 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: qpress — directory traversal Related CVEs: CVE-2022-45866 Upstream summary: [email protected] reports: qpress before PierreLvx/qpress 20220819 and before version 11.3, as used in Percona XtraBackup and other products, allows directory traversal […]

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Common Problems 112631

Windows Server 2019 – Container bind mount access denied on NTFS host path – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 December 2022 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 […]

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