Common Problems

openSUSE Tumbleweed — python36-jupyter-server — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-jupyter-server — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2020-26232 Upstream summary: Jupyter Server before version 1.0.6 has an Open redirect vulnerability. A maliciously crafted link to a jupyter server could redirect the browser […]

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Ubuntu 16.04 — sympa — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — sympa — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 July 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4442-2 Related CVEs: CVE-2018-1000550 CVE-2018-1000671 CVE-2020-10936 Upstream summary: USN-4442-1 fixed vulnerabilities in Sympa. This update provides the corresponding updates for Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. […]

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Oracle Linux 8 — cyrus-imapd — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — cyrus-imapd — vulnerability — patch and remediation guide (ELSA-2021-3492)

🟠 High   ⏱ 15–60 min  Last verified: 15 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3492 Related CVEs: CVE-2021-33582 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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SLES 12 — xmlbeans — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — xmlbeans — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 July 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3875-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-23926 Upstream summary: The XML parsers used by XMLBeans up to version 2.6.0 did not set the properties needed to protect the user from malicious […]

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openSUSE Tumbleweed — libtcmu2 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libtcmu2 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:0060-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-28374 Upstream summary: In drivers/target/target_core_xcopy.c in the Linux kernel before 5.10.7, insufficient identifier checking in the LIO SCSI target code can be used by remote […]

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FreeBSD 13 — percona-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — percona-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL — multiple vulnerabilities Related CVEs: CVE-2012-4414 CVE-2012-5611 CVE-2012-5612 CVE-2012-5615 CVE-2012-5627 CVE-2015-3194 CVE-2016-0639 CVE-2016-0640  +12 more Upstream summary: Oracle reports reports: Critical Patch Update contains 31 new security fixes for […]

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Oracle Linux 8 — edk2 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — edk2 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4805)

🟡 Medium   ⏱ 10–30 min  Last verified: 14 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4805 Related CVEs: CVE-2019-14559 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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Common Problems 112623

Windows Server 2019 — NIC Teaming failover delay creates transient packet blackholes in bonded interfaces — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 14 July 2021 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 13 — prozilla — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — prozilla — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ProZilla — server response buffer overflow vulnerabilities Related CVEs: CVE-2004-1120 Upstream summary: Buffer overflow vulnerabilities have been reported to exist in this software package. The vulnerabilities can be triggered by […]

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CHAT