Fix Prevention

Ubuntu 18.04 — evince — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — evince — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4024-1 Related CVEs: https://launchpad.net/bugs/1794848 https://launchpad.net/bugs/1788929 CVE-2019-11459 Upstream summary: As a security improvement, this update adjusts the AppArmor profile for the Evince thumbnailer to reduce access to the system and adjusts […]

Read more
How to Schedule Automated Tasks with cron and anacron on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Schedule Automated Tasks with cron and anacron on RHEL 8

Automating repetitive tasks is one of the core responsibilities of a Linux system administrator. Red Hat Enterprise Linux 8 provides several scheduling mechanisms: the venerable cron daemon for recurring jobs, anacron for machines that are not always running, the at command for one-off deferred tasks, and systemd timers for tighter integration with the service manager. […]

Read more
openSUSE Tumbleweed — kauth-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — kauth-devel — multiple vulnerabilities (2 CVEs) — 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-2017:1254-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-8422 CVE-2019-7443 Upstream summary: KDE kdelibs before 4.14.32 and KAuth before 5.34 allow local users to gain root privileges by spoofing a callerID and leveraging […]

Read more
SLES 15 — autoyast2 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — autoyast2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:1296-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-18905 Upstream summary: A Insufficient Verification of Data Authenticity vulnerability in autoyast2 of SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 15 allows remote […]

Read more
FreeBSD 12 — peercast — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — peercast — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: peercast — arbitrary code execution Related CVEs: CVE-2007-6454 CVE-2008-2040 Upstream summary: Nico Golde discovered that PeerCast, a P2P audio and video streaming server, is vulnerable to a buffer overflow in […]

Read more
How to Install and Configure RRAS on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Install and Configure RRAS on Windows Server 2012 R2

How to Install and Configure RRAS on Windows Server 2012 R2 Routing and Remote Access Service (RRAS) is a comprehensive Windows Server feature that provides a wide range of network services including VPN server, dial-up remote access, network address translation (NAT), demand-dial routing, and multi-protocol LAN-to-LAN and LAN-to-WAN routing. On Windows Server 2012 R2, RRAS […]

Read more
FreeBSD 12 — php56-snmp — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php56-snmp — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2015-8879 CVE-2016-5385 CVE-2016-5399 CVE-2016-6288 CVE-2016-6289 CVE-2016-6290 CVE-2016-6291 CVE-2016-6292  +4 more Upstream summary: PHP reports: Fixed bug #69975 (PHP segfaults when accessing nvarchar(max) defined columns) […]

Read more
Arch Linux — neovim — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — neovim — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201611-29 Related CVEs: CVE-2016-1248 Upstream summary: Type: arbitrary command execution. Status: Fixed. Affected: 0.1.6-1. Fixed in: 0.1.7-1. Group: AVG-82. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

Read more
Common Problems 115457

sshd Starts but Remote Access Still Fails

🟡 Medium   ⏱ 5–30 min  Last verified: 1 August 2019 📖 ~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 & Cross-Refs References & Further […]

Read more
CHAT