Package Management

FreeBSD 12 — XFree86-Server — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — XFree86-Server — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: X11 server — pixmap allocation vulnerability Related CVEs: CVE-2004-0083 CVE-2004-0084 CVE-2004-0106 CVE-2005-2495 Upstream summary: Allocating large pixmaps by a client can trigger an integer overflow in the X server, potentially […]

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Debian 9 — libexif — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — libexif — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 December 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-9278 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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How to Sync Time with Chrony on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Sync Time with Chrony on RHEL 7

How to Sync Time with Chrony on RHEL 7 Accurate system time is critical for nearly every networked service on a Linux server. Log correlation, SSL certificate validation, Kerberos authentication, database replication, and distributed systems all depend on clocks that are closely synchronized across machines. Red Hat Enterprise Linux 7 ships with Chrony as the […]

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Ubuntu 14.04 — libtomcrypt — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libtomcrypt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 December 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4868-1 Related CVEs: CVE-2019-17362 Upstream summary: It was discovered that LibTomCrypt incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service or read […]

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Arch Linux — lib32-libpng — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lib32-libpng — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201701-5 Related CVEs: CVE-2016-10087 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.6.26-1. Fixed in: 1.6.27-1. Group: AVG-120. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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SLES 15 — python2-pywbem — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python2-pywbem — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 December 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:0580-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-6418 Upstream summary: PyWBEM 0.7 and earlier uses a separate connection to validate X.509 certificates, which allows man-in-the-middle attackers to spoof a peer via an […]

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SLES 15 — jackson-databind — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — jackson-databind — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 27 December 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2018-11307 CVE-2018-14718 CVE-2018-14721 CVE-2018-19360 CVE-2018-19361 CVE-2018-19362 CVE-2018-7489 CVE-2019-14379  +12 more Upstream summary: An issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.5. Use of Jackson default typing along with […]

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

Arch Linux — libofx — 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-201805-19 Related CVEs: CVE-2017-14731 CVE-2017-2816 Upstream summary: Type: denial of service. Status: Fixed. Affected: 0.9.12-1. Fixed in: 0.9.13-1. Group: AVG-536. Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Configure Multipath I/O on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Multipath I/O on SLES 12

Introduction This tutorial covers How to Configure Multipath I/O on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]

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

openSUSE Tumbleweed — pan — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2008:013 (see also SUSE bugzilla) Related CVEs: CVE-2008-2363 Upstream summary: The PartsBatch class in Pan 0.132 and earlier does not properly manage the data structures for Parts batches, which allows remote attackers […]

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