Common Problems

Common Problems 119146

Ubuntu 14.04 LTS – UFW rules disappear after reboot – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 28 July 2019 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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Common Problems 118628

Ubuntu 16.04 LTS – apt repositories moved to old-releases after EOL – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 28 July 2019 Affected versions: Ubuntu 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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openSUSE Tumbleweed — monerod — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — monerod — 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-2017-8798 Upstream summary: Integer signedness error in MiniUPnP MiniUPnPc v1.4.20101221 through v2.0 allows remote attackers to cause a denial of service or possibly have unspecified […]

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FreeBSD 12 — linux_base-f — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux_base-f — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: glibc — getaddrinfo stack-based buffer overflow Related CVEs: CVE-2015-0235 CVE-2015-7547 Upstream summary: Fabio Olive Leite reports: A stack-based buffer overflow was found in libresolv when invoked from nss_dns, allowing specially […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.0.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — postfixadmin 3.0.2-r0 Related CVEs: CVE-2017-5930 Upstream summary: Alpine community repository for vedge ships postfixadmin 3.0.2-r0 which addresses CVE-2017-5930. Table of contents Symptom & Impact Environment […]

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FreeBSD 12 — qt-copy — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — qt-copy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kdelibs — integer overflow in khtml Related CVEs: CVE-2006-4811 Upstream summary: Red Hat reports: An integer overflow flaw was found in the way Qt handled pixmap images. The KDE khtml […]

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SLES 12 — vino — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — vino — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 July 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2011:009 (see also SUSE bugzilla) Related CVEs: CVE-2011-0904 CVE-2019-15681 CVE-2011-1164 CVE-2011-0905 Upstream summary: The rfbSendFramebufferUpdate function in server/libvncserver/rfbserver.c in vino-server in Vino 2.x before 2.28.3, 2.32.x before 2.32.2, 3.0.x before 3.0.2, and […]

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SLES 12 — ibus — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — ibus — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 July 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:2387-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-14822 Upstream summary: A flaw was discovered in ibus in versions before 1.5.22 that allows any unprivileged user to monitor and send method calls to […]

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Oracle Linux 8 — binutils — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — binutils — vulnerability — patch and remediation guide (ELSA-2020-4465)

🟢 Low   ⏱ 5–15 min  Last verified: 28 July 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4465 Related CVEs: CVE-2019-17450 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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