Logging Monitoring

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2021-9085)

  • September 11, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9085 Related CVEs: CVE-2020-16120 CVE-2021-26931 CVE-2020-0431 CVE-2021-26930 CVE-2021-3347 CVE-2021-3348 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Arch Linux — mutt — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — mutt — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 11, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202011-25 Related CVEs: CVE-2020-28896 CVE-2021-3181 Upstream summary: Type: silent downgrade. Status: Fixed. Affected: 2.0.1-1. Fixed in: 2.0.2-1. Group: AVG-1288. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

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

  • September 11, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-1320 CVE-2007-1321 CVE-2007-1322 CVE-2007-1366 CVE-2007-5729 CVE-2007-5730 CVE-2008-0928 CVE-2008-1945  +12 more Upstream summary: Multiple heap-based buffer overflows in the cirrus_invalidate_region function in the Cirrus VGA extension in QEMU 0.8.2, […]

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

Oracle Linux 8 — frr — security and stability fixes — required update (ELSA-2023-5219)

  • September 10, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 10 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5219 Related CVEs: CVE-2023-38802 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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FreeBSD 13 — apache+mod_ssl+mod_accel+ipv — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apache+mod_ssl+mod_accel+ipv — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • September 10, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 10 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: apache — Prevent chunk-size integer overflow on platforms where sizeof(int) < sizeof(long) Related CVEs: CVE-2005-2088 CVE-2005-3352 CVE-2006-3747 Upstream summary: Apache ChangeLog reports: Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c […]

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

AlmaLinux 8 — libpsl — vulnerability — patch and remediation guide

  • September 10, 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-2020:4555 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 Configure Docker Daemon TLS on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Docker Daemon TLS on FreeBSD 13

  • September 10, 2021
  • FreeBSD
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Introduction Deploying configure docker daemon tls on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

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FreeBSD 13 — py33-pillow — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py33-pillow — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • September 10, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 10 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Pillow — multiple vulnerabilities Related CVEs: CVE-2016-0740 CVE-2016-0775 CVE-2016-9189 CVE-2016-9190 Upstream summary: Pillow reports: Pillow prior to 3.3.2 may experience integer overflow errors in map.c when reading specially crafted image […]

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Debian 11 — python-docutils — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-docutils — vulnerability — patch and remediation guide

  • September 10, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 10 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-5042 Upstream summary: python-docutils allows insecure usage of temporary files Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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Debian 10 — hyperkitty — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — hyperkitty — vulnerability — patch and remediation guide

  • September 10, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 10 September 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-33038 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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