Logging Monitoring

Ubuntu 22.04 — neomutt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — neomutt — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • April 26, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 26 April 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7204-1 Related CVEs: CVE-2018-14349 CVE-2018-14350 CVE-2018-14351 CVE-2018-14352 CVE-2018-14353 CVE-2018-14354 CVE-2018-14355 CVE-2018-14356  +12 more Upstream summary: Jeriko One discovered that NeoMutt incorrectly handled certain IMAP and POP3 responses. An attacker could […]

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How to Set Up Jaeger Distributed Tracing on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Jaeger Distributed Tracing on Debian 11

  • April 26, 2022
  • Linux
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Introduction How to Set Up Jaeger Distributed Tracing on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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Ubuntu 20.04 — wireshark — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — wireshark — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • April 26, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 26 April 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7552-1 Related CVEs: CVE-2021-4185 CVE-2022-0582 CVE-2022-0586 CVE-2022-3190 CVE-2021-4182 CVE-2022-0585 CVE-2021-39929 CVE-2021-4186  +7 more Upstream summary: It was discovered that Wireshark did not correctly handle recursion. If a user or system […]

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openSUSE Tumbleweed — python38-jupyter-server — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-jupyter-server — vulnerability — patch and remediation guide

  • April 26, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14845-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-29241 Upstream summary: Jupyter Server provides the backend (i.e. the core services, APIs, and REST endpoints) for Jupyter web applications like Jupyter Notebook. Prior to […]

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CentOS Stream 9 — usbguard — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — usbguard — vulnerability — patch and remediation guide

  • April 26, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 26 April 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:0303 Related CVEs: CVE-2019-25058 Upstream summary: The USBGuard software framework provides system protection against intrusive USB devices by implementing basic whitelisting and blacklisting capabilities based on device attributes. To enforce a […]

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SLES 15 — apache2-mod_wsgi — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — apache2-mod_wsgi — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • April 26, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 26 April 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2015:0611-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-0240 CVE-2022-2255 Upstream summary: The mod_wsgi module before 3.5 for Apache, when daemon mode is enabled, does not properly handle error codes returned by setuid […]

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Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide (ELSA-2021-3891)

  • April 26, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 26 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3891 Related CVEs: CVE-2021-35564 CVE-2021-35559 CVE-2021-35603 CVE-2021-35561 CVE-2021-35556 CVE-2021-35550 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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openSUSE Tumbleweed — isync — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — isync — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • April 26, 2022
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-3657 CVE-2021-44143 CVE-2021-20247 CVE-2021-3578 Upstream summary: A flaw was found in mbsync versions prior to 1.4.4. Due to inadequate handling of extremely large (>=2GiB) IMAP […]

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Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide (ELSA-2022-9682)

  • April 26, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 26 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9682 Related CVEs: CVE-2022-31813 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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Oracle Linux 8 — maven:3.6 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — maven:3.6 — vulnerability — patch and remediation guide (ELSA-2022-4797)

  • April 26, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 26 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4797 Related CVEs: CVE-2022-29599 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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