Common Problems

Common Problems 112474

Windows Server 2019 — Folder redirection GPO fails to redirect Documents to file share — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 17 March 2020 Affected versions: Windows Server 2019 📖 ~2 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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FreeBSD 12 — pt-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — pt-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice — DOC document heap overflow vulnerability Related CVEs: CVE-2004-0752 CVE-2005-0941 Upstream summary: AD-LAB reports that a heap-based buffer overflow vulnerability exists in OpenOffice's handling of DOC documents. When reading […]

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openSUSE Tumbleweed — python36-python3-saml — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-python3-saml — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:0048-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-11427 Upstream summary: OneLogin PythonSAML 2.3.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that […]

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Ubuntu 18.04 — libpodofo — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libpodofo — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 March 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7217-1 Related CVEs: CVE-2017-5886 CVE-2018-11255 CVE-2018-12983 CVE-2018-20797 CVE-2018-5308 CVE-2018-8002 CVE-2019-10723 CVE-2020-18971  +2 more Upstream summary: It was discovered that the PoDoFo library could dereference a NULL pointer when getting the […]

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Common Problems 118539

Ubuntu 16.04 LTS SSSD Cache Causes Domain Login Failures

🟠 High   ⏱ 5–30 min  Last verified: 16 March 2020 Affected versions: 16.04 LTS 📖 ~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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Common Problems 118089

Ubuntu 18.04 LTS Fail2ban Bans Legitimate Admin IPs

🟡 Medium   ⏱ 5–30 min  Last verified: 16 March 2020 Affected versions: 18.04 LTS 📖 ~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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Alpine Linux edge — xbps — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — xbps — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.58-r0 📖 ~4 min read  •  Source: Alpine secdb entry — xbps 0.58-r0 Related CVEs: CVE-2020-7450 Upstream summary: Alpine community repository for vedge ships xbps 0.58-r0 which addresses CVE-2020-7450. Table of contents Symptom & Impact Environment […]

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FreeBSD 12 — vim-console — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — vim-console — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Vim/NeoVim — Security vulnerability Related CVEs: CVE-2004-1138 CVE-2005-2368 CVE-2007-2953 CVE-2008-2712 CVE-2008-3076 CVE-2016-1248 Upstream summary: Security releases for Vim/NeoVim: Sandbox escape allows for arbitrary code execution. Table of contents Symptom & […]

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openSUSE Tumbleweed — quassel-base — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — quassel-base — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-1000178 CVE-2013-4422 CVE-2015-8547 CVE-2018-1000179 CVE-2016-4414 Upstream summary: A heap corruption of type CWE-120 exists in quassel version 0.12.4 in quasselcore in void DataStreamPeer::processMessage(const QByteArray &msg) […]

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FreeBSD 12 — linux-c6-nss — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-c6-nss — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nss — Use-after-free in TLS 1.2 generating handshake hashes Related CVEs: CVE-2014-1568 CVE-2015-7575 CVE-2016-1938 CVE-2016-1950 CVE-2016-1978 CVE-2016-1979 CVE-2016-2834 CVE-2017-5461  +2 more Upstream summary: Mozilla reports: During TLS 1.2 exchanges, handshake […]

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