Common Problems

Common Problems 112922

Windows Server 2016 — DNS scavenging removes active records due to aging configuration drift in AD-integrated zones — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 May 2020 Affected versions: Windows Server 2016 📖 ~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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Alpine Linux edge — xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.9.1-r1 📖 ~4 min read  •  Source: Alpine secdb entry — xen 4.9.1-r1 Related CVEs: XSA-246 XSA-247 CVE-2017-15597 CVE-2017-15590 XSA-238 CVE-2017-15589 CVE-2017-15595 CVE-2017-15588  +12 more Upstream summary: Alpine main repository for vedge ships xen 4.9.1-r1 which […]

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FreeBSD 12 — py34-django-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py34-django-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: django — multiple vulnerabilities Related CVEs: CVE-2014-0480 CVE-2014-0481 CVE-2014-0482 CVE-2014-0483 CVE-2015-0219 CVE-2015-0220 CVE-2015-0221 CVE-2015-0222  +12 more Upstream summary: Tim Graham reports: Malicious redirect and possible XSS attack via user-supplied redirect […]

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FreeBSD 12 — knot — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — knot — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: BIND,Knot,NSD,PowerDNS — denial over service via oversized zone transfers Related CVEs: CVE-2016-6170 CVE-2016-6171 CVE-2016-6172 CVE-2016-6173 Upstream summary: ISC reports: DNS protocols were designed with the assumption that a certain amount […]

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SLES 12 — libjson-c2 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libjson-c2 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 May 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:108-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-12762 Upstream summary: json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend. Table of contents […]

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Common Problems 117502

Ubuntu 20.04 LTS NTP Drift Causes TLS and Token Failures

🟠 High   ⏱ 5–30 min  Last verified: 9 May 2020 Affected versions: 20.04 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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FreeBSD 12 — zh-openoffice-TW — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

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

🟢 Low   ⏱ 5–15 min  Last verified: 9 May 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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Common Problems 112890

Windows Server 2016 – Hyper-V live migration fails with authentication errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 9 May 2020 Affected versions: Windows Server 2016 📖 ~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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openSUSE Tumbleweed — kaffeine — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — kaffeine — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2006:008 (see also SUSE bugzilla) Related CVEs: CVE-2006-0051 Upstream summary: Buffer overflow in playlistimport.cpp in Kaffeine Player 0.4.2 through 0.7.1 allows user-assisted attackers to execute arbitrary code via long HTTP request headers […]

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FreeBSD 12 — subversion-perl — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — subversion-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: subversion — WebDAV fails to protect metadata Related CVEs: CVE-2004-0749 Upstream summary: In some situations, subversion metadata may be unexpectedly disclosed via WebDAV. A subversion advisory states: mod_authz_svn, the Apache […]

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