Common Problems

FreeBSD 13 — pypy — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — pypy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Python — DoS via malformed XML-RPC / HTTP POST request Related CVEs: CVE-2012-0845 Upstream summary: Jan Lieskovsky reports, A denial of service flaw was found in the way Simple XML-RPC […]

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FreeBSD 13 — corkscrew — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — corkscrew — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: corkscrew — buffer overflow vulnerability Upstream summary: The affected corkscrew versions use sscanf calls without proper bounds checking. In the authentication file parsing routine this can cause an exploitable buffer […]

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FreeBSD 13 — plexhometheater — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — plexhometheater — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ffmpeg — multiple vulnerabilities Related CVEs: CVE-2015-6761 CVE-2015-6818 CVE-2015-6819 CVE-2015-6820 CVE-2015-6821 CVE-2015-6822 CVE-2015-6823 CVE-2015-6824  +11 more Upstream summary: NVD reports: The ff_dwt_decode function in libavcodec/jpeg2000dwt.c in FFmpeg before 2.8.4 does […]

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Common Problems 113049

Windows Server 2016 – Failover cluster groups flap due to aggressive failback settings – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 1 June 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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Debian 10 — xrdp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — xrdp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 June 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-4044 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Ubuntu 18.04 — libgd2 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libgd2 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 June 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7112-1 Related CVEs: CVE-2021-40812 CVE-2017-6363 CVE-2021-38115 CVE-2021-40145 CVE-2018-14553 CVE-2019-11038 CVE-2019-6977 CVE-2019-6978  +2 more Upstream summary: It was discovered that the GD Graphics Library did not perform proper bounds checking while […]

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SLES 12 — libexempi3 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libexempi3 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 June 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3734-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-18651 CVE-2017-18234 CVE-2017-18233 CVE-2017-18236 CVE-2017-18238 CVE-2018-7728 CVE-2018-7730 Upstream summary: Buffer Overflow vulnerability in function ID3_Support::ID3v2Frame::getFrameValue in exempi 2.5.0 and earlier allows remote attackers to cause […]

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SLES 12 — python-PyYAML — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — python-PyYAML — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 June 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:197-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-14343 Upstream summary: A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary code execution when it […]

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Alpine Linux edge — quassel — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.13.1-r6 📖 ~4 min read  •  Source: Alpine secdb entry — quassel 0.13.1-r6 Related CVEs: CVE-2021-34825 Upstream summary: Alpine community repository for vedge ships quassel 0.13.1-r6 which addresses CVE-2021-34825. Table of contents Symptom & Impact Environment […]

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Debian 10 — ntfs-3g — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ntfs-3g — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 June 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-33285 CVE-2021-46790 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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