Troubleshooting

FreeBSD 12 — netqmail-tls — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — netqmail-tls — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: qmail — 64 bit integer overflows with possible remote code execution on large SMTP requests Related CVEs: CVE-2005-1513 CVE-2005-1514 CVE-2005-1515 Upstream summary: Georgi Guninski writes: There are several issues with […]

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FreeBSD 12 — gtk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — gtk — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gdk-pixbuf — image decoding vulnerabilities Related CVEs: CVE-2004-0782 CVE-2004-0783 CVE-2004-0788 Upstream summary: Chris Evans discovered several flaws in the gdk-pixbuf XPM image decoder: Heap-based overflow in pixbuf_create_from_xpm Stack-based overflow in […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.12.1-r1 📖 ~4 min read  •  Source: Alpine secdb entry — libupnp 1.12.1-r1 Related CVEs: CVE-2020-13848 Upstream summary: Alpine community repository for vedge ships libupnp 1.12.1-r1 which addresses CVE-2020-13848. Table of contents Symptom & Impact Environment […]

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Ubuntu 18.04 — c3p0 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — c3p0 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 May 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5293-1 Related CVEs: CVE-2019-5427 Upstream summary: Aaron Massey discovered that c3p0 could be made to crash when parsing certain input. An attacker able to modify the application's XML configuration file […]

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Ubuntu 18.04 — xcftools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — xcftools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 May 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5988-1 Related CVEs: CVE-2019-5086 CVE-2019-5087 Upstream summary: It was discovered that integer overflows vulnerabilities existed in Xcftools. An attacker could use this to cause a denial of service (system crash) […]

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SLES 15 — go1.11 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — go1.11 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 May 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:2213-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-14809 Upstream summary: net/url in Go before 1.11.13 and 1.12.x before 1.12.8 mishandles malformed hosts in URLs, leading to an authorization bypass in some applications. […]

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Arch Linux — lib32-expat — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lib32-expat — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201707-27 Related CVEs: CVE-2017-9233 CVE-2016-9063 Upstream summary: Type: denial of service. Status: Fixed. Affected: 2.2.0-1. Fixed in: 2.2.2-1. Group: AVG-305. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Common Problems 121140

Debian 10 – Apache2 Fails with Address Already in Use – Port Conflict Resolution

🟠 High   ⏱ 5–30 min  Last verified: 28 May 2020 Affected versions: Debian 10 📖 ~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 113518

Windows Server 2012 R2 — Update Install Stuck at 100 Percent for Hours — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 28 May 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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CHAT