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FreeBSD 13 — xymon-server — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — xymon-server — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • May 14, 2021
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 14 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xymon-server — multiple vulnerabilities Related CVEs: CVE-2015-1430 CVE-2016-2054 CVE-2016-2055 CVE-2016-2056 CVE-2016-2057 CVE-2016-2058 CVE-2019-13273 CVE-2019-13274  +6 more Upstream summary: Japheth Cleaver reports: Several buffer overflows were reported by University of Cambridge […]

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FreeBSD 13 — a2ps-letter — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — a2ps-letter — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 14, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 14 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: a2ps — insecure temporary file creation Related CVEs: CVE-2004-1170 CVE-2004-1377 Upstream summary: A Secunia Security Advisory reports that Javier Fernández-Sanguino Peña has found temporary file creation vulnerabilities in the fixps […]

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FreeBSD 13 — samba32-devel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — samba32-devel — vulnerability — patch and remediation guide

  • May 14, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 14 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: samba — potential leakage of arbitrary memory contents Related CVEs: CVE-2008-4314 Upstream summary: Samba Team reports: Samba 3.0.29 and beyond contain a change to deal with gcc 4 optimizations. Part […]

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

AlmaLinux 8 — libXext — vulnerability — patch and remediation guide

  • May 14, 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-2020:4742 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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How to Set Up SFTP Server with Chroot Jail on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up SFTP Server with Chroot Jail on Debian 9

  • May 14, 2021
  • Linux
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Introduction How to Set Up SFTP Server with Chroot Jail 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 […]

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openSUSE Tumbleweed — s390-tools — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — s390-tools — vulnerability — patch and remediation guide

  • May 14, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:0776-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-25316 Upstream summary: A Insecure Temporary File vulnerability in s390-tools of SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Server 15-SP2 allows local attackers to […]

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Ubuntu 20.04 — clickhouse — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — clickhouse — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 14, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 14 May 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6933-1 Related CVEs: CVE-2021-42387 CVE-2021-42388 CVE-2021-43305 Upstream summary: It was discovered that ClickHouse incorrectly handled memory, leading to a heap out-of-bounds data read. An attacker could possibly use this issue […]

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

Ubuntu 20.04 — libmaxminddb — vulnerability — patch and remediation guide

  • May 14, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 14 May 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4631-1 Related CVEs: CVE-2020-28241 Upstream summary: It was discovered that libmaxminddb incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause applications using libmaxminddb to […]

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openSUSE Tumbleweed — jackson-dataformat-cbor — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — jackson-dataformat-cbor — vulnerability — patch and remediation guide

  • May 14, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:1678-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-28491 Upstream summary: This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 0 and before 2.11.4, from 2.12.0-rc1 and before 2.12.1. Unchecked allocation of byte buffer can cause […]

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SLES 15 — ipmitool — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — ipmitool — vulnerability — patch and remediation guide

  • May 14, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 14 May 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:0405-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-5208 Upstream summary: It's been found that multiple functions in ipmitool before 1.8.19 neglect proper checking of the data received from a remote LAN party, […]

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