Package Management

Ubuntu 18.04 — policykit-1 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — policykit-1 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • September 6, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 6 September 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5252-1 Related CVEs: CVE-2021-4034 CVE-2019-6133 CVE-2018-19788 CVE-2015-3218 CVE-2015-3255 CVE-2015-4625 CVE-2018-1116 Upstream summary: It was discovered that the PolicyKit pkexec tool incorrectly handled command-line arguments. A local attacker could use this […]

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AlmaLinux 8 — python-rtslib — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python-rtslib — vulnerability — patch and remediation guide

  • September 6, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:1602 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

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

  • September 6, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 6 September 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:599-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-42771 Upstream summary: Babel.Locale in Babel before 2.9.1 allows attackers to load arbitrary locale .dat files (containing serialized Python objects) via directory traversal, leading to […]

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Debian 11 — wpewebkit — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — wpewebkit — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • September 6, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 6 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-1745 CVE-2020-10018 CVE-2020-11793 CVE-2020-13543 CVE-2020-13558 CVE-2020-13584 CVE-2020-13753 CVE-2020-27918  +12 more Upstream summary: Use-after-free vulnerability in the SVG implementation in Blink, as used in Google Chrome before 35.0.1916.114, allows […]

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Oracle Linux 8 — cups — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — cups — security and stability fixes — required update (ELSA-2022-5056)

  • September 5, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 5 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5056 Related CVEs: CVE-2022-26691 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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IBM AIX 7.1 — CVE-2021-20549 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-20549 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 5 September 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-20549, IBM Support Bulletin CVE: CVE-2021-20549 NVD summary: IBM Content Navigator 3.0.CD is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering […]

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FreeBSD 13 — linux-c7-nss — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-c7-nss — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • September 5, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 5 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nss — Use-after-free in TLS 1.2 generating handshake hashes Related CVEs: CVE-2016-2834 CVE-2017-5461 CVE-2017-5462 CVE-2017-7805 Upstream summary: Mozilla reports: During TLS 1.2 exchanges, handshake hashes are generated which point to […]

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AlmaLinux 8 — logwatch — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — logwatch — vulnerability — patch and remediation guide

  • September 5, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4397 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — maven — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — maven — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 5, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 5 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Apache Maven — multiple vulnerabilities Related CVEs: CVE-2020-13956 CVE-2021-26291 Upstream summary: The Apache Maven project reports: We received a report from Jonathan Leitschuh about a vulnerability of custom repositories in […]

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How to Install FastAPI on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Install FastAPI on SLES 15

Introduction This tutorial covers How to Install FastAPI on SLES 15 on SLES 15. SLES 15 (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 15 system is up to date: zypper refresh && […]

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