ubuntu

Ubuntu 18.04 — libmysofa — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libmysofa — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 December 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5184-1 Related CVEs: CVE-2021-3756 CVE-2019-16091 CVE-2019-16092 CVE-2019-16093 CVE-2019-16094 CVE-2019-16095 CVE-2019-10672 Upstream summary: It was discovered that libmysofa mishandled certain input. An attacker could use this vulnerability to cause a denial […]

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Ubuntu 16.04 — flac — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — flac — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 December 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6360-2 Related CVEs: CVE-2020-22219 CVE-2017-6888 CVE-2020-0499 CVE-2021-0561 Upstream summary: USN-6360-1 fixed a vulnerability in FLAC. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu […]

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Ubuntu 16.04 — cobbler — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — cobbler — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 December 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6475-1 Related CVEs: CVE-2014-3225 CVE-2017-1000469 CVE-2018-1000225 CVE-2018-1000226 CVE-2018-10931 CVE-2021-40323 CVE-2021-40324 CVE-2021-40325  +3 more Upstream summary: It was discovered that Cobbler did not properly handle user input, which could result in […]

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Ubuntu 20.04 — libjpeg-turbo — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libjpeg-turbo — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 December 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5631-1 Related CVEs: CVE-2018-11813 CVE-2020-17541 CVE-2020-35538 CVE-2021-46822 CVE-2020-13790 Upstream summary: It was discovered that libjpeg-turbo incorrectly handled certain EOF characters. An attacker could possibly use this issue to cause libjpeg-turbo […]

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How To Configure a MongoDB Replica Set on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Configure a MongoDB Replica Set on Ubuntu 20.04

The practice of synchronizing data across multiple separate databases is called replication. In MongoDB, a group of servers that maintain the same data set through replication are referred to as a replica set. This tutorial provides a brief overview of how replication works in MongoDB before outlining how to configure and initiate a replica set with three members.

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Ubuntu 16.04 — lz4 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — lz4 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 December 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4968-2 Related CVEs: CVE-2021-3520 Upstream summary: USN-4968-1 fixed a vulnerability in LZ4. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It […]

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Common Problems 117530

Ubuntu 20.04 LTS Cron Jobs Miss Scheduled Run

🟡 Medium   ⏱ 5–30 min  Last verified: 21 December 2021 📖 ~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 […]

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Ubuntu 20.04 — weechat — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — weechat — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 December 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5258-1 Related CVEs: CVE-2017-14727 CVE-2020-8955 CVE-2020-9759 CVE-2020-9760 CVE-2021-40516 Upstream summary: Stuart Nevans Locke discovered that WeeChat's relay plugin insecurely handled malformed websocket frames. A remote attacker in control of a […]

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