Logging Monitoring

Ubuntu 18.04 — libcaca — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libcaca — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • June 25, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 June 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7943-1 Related CVEs: CVE-2022-0856 CVE-2021-30498 CVE-2021-30499 CVE-2021-3410 CVE-2018-20544 CVE-2018-20545 CVE-2018-20546 CVE-2018-20547  +2 more Upstream summary: Han Zheng discovered that libcaca incorrectly handled certain images. An attacker could possibly use this […]

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openSUSE Leap 15.5 — icu73_2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — icu73_2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 25, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:0459-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-10531 CVE-2020-21913 Upstream summary: An issue was discovered in International Components for Unicode (ICU) for C/C++ through 66.1. An integer overflow, leading to a […]

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CentOS Stream 9 — e2fsprogs — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — e2fsprogs — vulnerability — patch and remediation guide

  • June 25, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 June 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2022:8361 Related CVEs: CVE-2022-1304 Upstream summary: The e2fsprogs packages provide a number of utilities for creating, checking, modifying, and correcting the ext2, ext3, and ext4 file systems. Security Fix(es): * e2fsprogs: […]

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Alpine Linux 3.18 — ntpsec — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — ntpsec — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • June 25, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.2.2a-r0 📖 ~4 min read  •  Source: Alpine secdb entry — ntpsec 1.2.2a-r0 Related CVEs: CVE-2023-4012 CVE-2021-22212 CVE-2019-6442 CVE-2019-6443 CVE-2019-6444 CVE-2019-6445 Upstream summary: Alpine community repository for vv3.18 ships ntpsec 1.2.2a-r0 which addresses CVE-2023-4012. Table of […]

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Oracle Linux 8 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2022-1287)

  • June 25, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 June 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1287 Related CVEs: CVE-2022-1097 CVE-2022-28285 CVE-2022-28282 CVE-2022-28286 CVE-2022-28281 CVE-2022-28289 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Gentoo Linux — net-wireless/bluez — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-wireless/bluez — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • June 25, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202401-03 Related CVEs: CVE-2023-45866 CVE-2020-26558 CVE-2021-0129 CVE-2021-3588 CVE-2022-0204 CVE-2020-0556 CVE-2020-27153 Upstream summary: Multiple vulnerabilities have been discovered in BlueZ. Please review the CVE identifiers referenced below for details. Table of contents Symptom […]

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Debian 12 — qemu — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — qemu — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 25, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 June 2023 Affected versions: Debian 12 (bookworm) 📖 ~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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NetBSD 9.4 — squidclamav — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — squidclamav — vulnerability — patch and remediation guide

  • June 24, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged squidclamav<6.7 for vulnerability class 'denial-of-service'. Reference: https://secunia.com/advisories/49057/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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How to Configure Automatic Security Updates on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Automatic Security Updates on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying configure automatic security updates on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Automatic Security Updates on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Oracle Linux 9 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-6043)

  • June 24, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6043 Related CVEs: CVE-2022-34716 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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