Linux

Debian 9 — ldap-account-manager — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — ldap-account-manager — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 July 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-8763 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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Ubuntu 18.04 — policykit-desktop-privileges — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — policykit-desktop-privileges — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 July 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4037-1 Related CVEs: https://launchpad.net/bugs/1832337 Upstream summary: The policykit-desktop-privileges Startup Disk Creator policy allowed administrative users to overwrite disks. As a security improvement, this operation now requires authentication. Table of contents […]

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Ubuntu 18.04 — lucene-solr — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — lucene-solr — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 July 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7283-1 Related CVEs: CVE-2019-0193 Upstream summary: It was discovered that the Apache Solr DataImportHandler module incorrectly handled certain request parameters in a default configuration. A remote attacker could possibly use […]

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SLES 12 — openslp — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — openslp — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 4 July 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2019-5544 CVE-2017-17833 CVE-2010-3609 CVE-2016-4912 CVE-2016-7567 Upstream summary: OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue. VMware has evaluated […]

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openSUSE Tumbleweed — libdwarf1 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libdwarf1 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2016-5041 CVE-2016-5029 CVE-2016-5033 CVE-2016-5037 CVE-2016-9480 CVE-2019-14249 Upstream summary: dwarf_macro5.c in libdwarf before 20160923 allows remote attackers to cause a denial of service (NULL pointer dereference) […]

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How To Set Up Time Synchronization on Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Time Synchronization on Ubuntu 12.04

This tutorial covers how to set up time synchronization and ensure that servers are synced using the NTP protocol so that all servers are displaying the same time. When a server’s time is mismatched, emails sent out from the misconfigured server may arrive 3 minutes in the past on another, or users granted access only at certain times of the day may find themselves blocked.

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openSUSE Tumbleweed — prboom-plus — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — prboom-plus — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:0807-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-20797 Upstream summary: An issue was discovered in e6y prboom-plus 2.5.1.5. There is a buffer overflow in client and server code responsible for handling received […]

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