Common Problems

AlmaLinux 8 — crash-ptdump-command — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — crash-ptdump-command — 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-2020:4830 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 […]

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SLES 12 — ant — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — ant — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 October 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:712-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-11979 CVE-2020-1945 CVE-2021-36373 CVE-2021-36374 CVE-2013-1571 CVE-2018-10886 Upstream summary: As mitigation for CVE-2020-1945 Apache Ant 1.10.8 changed the permissions of temporary files it created so that […]

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Common Problems 112951

Windows Server 2016 — .NET Cumulative Update Fails with 0x80070643 on Patch Night — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 17 October 2021 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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FreeBSD 13 — mozilla-thunderbird — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mozilla-thunderbird — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mozilla — multiple vulnerabilities Related CVEs: CAN-2006-0884 CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908 CVE-2004-0909 CVE-2004-1156  +12 more Upstream summary: The Mozilla Foundation reports of multiple security issues in Firefox, Seamonkey, and […]

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Debian 10 — python-bleach — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — python-bleach — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 October 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-6802 CVE-2020-6816 CVE-2021-23980 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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FreeBSD 13 — tidy-html — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — tidy-html — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tidy — heap-buffer-overflow Related CVEs: CVE-2015-5522 CVE-2015-5523 Upstream summary: Geoff McLane reports: tidy is affected by a write out of bounds when processing malformed html files. This issue could be […]

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Oracle Linux 8 — virt:ol security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:ol security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-3345)

🟢 Low   ⏱ 5–15 min  Last verified: 16 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3345 Related CVEs: CVE-2019-12155 CVE-2019-9755 CVE-2019-9824 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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FreeBSD 13 — go-devel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — go-devel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: go — invalid headers are normalized, allowing request smuggling Related CVEs: CVE-2019-16276 Upstream summary: The Go project reports: net/http (through net/textproto) used to accept and normalize invalid HTTP/1.1 headers with […]

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Common Problems 119056

Ubuntu 14.04 LTS – MySQL fails to start after abrupt shutdown – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 October 2021 Affected versions: Ubuntu 14.04 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 13 — zabbix2-server — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — zabbix2-server — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Zabbix — Remote code execution Related CVEs: CVE-2017-2824 Upstream summary: mitre reports: An exploitable code execution vulnerability exists in the trapper command functionality of Zabbix Server 2.4.X. A specially crafted […]

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