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Ubuntu 18.04 — sane-backends — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — sane-backends — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • June 6, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 6 June 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4470-1 Related CVEs: CVE-2017-6318 CVE-2020-12861 CVE-2020-12862 CVE-2020-12863 CVE-2020-12864 CVE-2020-12865 CVE-2020-12866 CVE-2020-12867 Upstream summary: Kritphong Mongkhonvanit discovered that sane-backends incorrectly handled certain packets. A remote attacker could possibly use this issue […]

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How to Set Up a FreeBSD Jail for Web Hosting on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up a FreeBSD Jail for Web Hosting on FreeBSD 13 (ON-FREEBSD-13)

Introduction How to Set Up a FreeBSD Jail for Web Hosting on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service […]

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Ubuntu 20.04 — gsl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gsl — vulnerability — patch and remediation guide

  • June 6, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 6 June 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6472-1 Related CVEs: CVE-2020-35357 Upstream summary: It was discovered that GNU Scientific Library incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially […]

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AlmaLinux 8 — xdp-tools — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — xdp-tools — vulnerability — patch and remediation guide

  • June 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-2022:1925 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 — w3m — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — w3m — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 6, 2021
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 6 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: w3m – multiple vulnerabilities Related CVEs: CVE-2006-6772 CVE-2016-9422 CVE-2016-9423 CVE-2016-9424 CVE-2016-9425 CVE-2016-9426 CVE-2016-9428 CVE-2016-9429  +12 more Upstream summary: Tatsuya Kinoshita reports: CVE-2018-6196 * table.c: Prevent negative indent value in feed_table_block_tag(). […]

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FreeBSD 13 — subversion — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — subversion — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 6, 2021
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 6 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Subversion — Multiple vulnerabilities in server code Related CVEs: CVE-2004-0397 CVE-2004-0749 CVE-2009-2411 CVE-2010-4539 CVE-2010-4644 CVE-2011-0715 CVE-2011-1752 CVE-2011-1783  +12 more Upstream summary: Subversion project reports: Subversion servers reveal 'copyfrom' paths that […]

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How to Install and Configure Kotlin on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure Kotlin on Debian 9

  • June 6, 2021
  • Linux
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Introduction How to Install and Configure Kotlin on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. […]

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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-2021-4393)

  • June 5, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 5 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4393 Related CVEs: CVE-2020-10001 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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