Linux

Ubuntu 22.04 — openjdk-18 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — openjdk-18 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • June 29, 2023
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 29 June 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5546-1 Related CVEs: CVE-2022-21426 CVE-2022-21434 CVE-2022-21443 CVE-2022-21449 CVE-2022-21476 CVE-2022-21496 CVE-2022-21540 CVE-2022-21541  +2 more Upstream summary: Neil Madden discovered that OpenJDK did not properly verify ECDSA signatures. A remote attacker could […]

Read more
Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide (ELSA-2022-4892)

  • June 29, 2023
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 29 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4892 Related CVEs: CVE-2022-31747 CVE-2022-31741 CVE-2022-1834 CVE-2022-31737 CVE-2022-31738 CVE-2022-31742 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
Rocky Linux 8 — python-mock — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — python-mock — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 29, 2023
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2023:5994 Related CVEs: CVE-2023-40217 CVE-2023-32681 Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing. The python27 packages […]

Read more
AlmaLinux 9 — tbb — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — tbb — vulnerability — patch and remediation guide

  • June 28, 2023
  • Linux
  • Comment off

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:1210 Related CVEs: CVE-2020-11023 Upstream summary: Threading Building Blocks (TBB) is a C++ runtime library that abstracts the low-level threading details necessary for optimal multi-core performance. Security Fix(es): * jquery: Untrusted code […]

Read more
How to Install Icinga2 on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Icinga2 on Debian 12

  • June 28, 2023
  • Linux
  • Comment off

Introduction This guide explains how to Install Icinga2 on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with the standard repositories […]

Read more
Debian 12 — py7zr — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — py7zr — vulnerability — patch and remediation guide

  • June 28, 2023
  • Linux
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 28 June 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-44900 Upstream summary: A directory traversal vulnerability in the SevenZipFile.extractall() function of the python library py7zr v0.20.0 and earlier allows attackers to write arbitrary files via extracting a […]

Read more
Debian 12 — sa-exim — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — sa-exim — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 28, 2023
  • Linux
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 28 June 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-1251 CVE-2019-19920 Upstream summary: Argument injection vulnerability in greylistclean.cron in sa-exim 4.2 allows remote attackers to delete arbitrary files via an email with a To field that contains […]

Read more
Debian 12 — libcompface — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libcompface — vulnerability — patch and remediation guide

  • June 28, 2023
  • Linux
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 28 June 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-2286 Upstream summary: Buffer overflow in compface 1.5.2 and earlier allows user-assisted attackers to cause a denial of service (crash) via a long declaration in a .xbm file. […]

Read more
Debian 11 — cjose — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — cjose — vulnerability — patch and remediation guide

  • June 28, 2023
  • Linux
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 28 June 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-37464 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more

Tags

AIX AlmaLinux Alpine Linux authentication authorization Backup Recovery Boot Startup Cloud Integration Common Problems Cpu Memory Database Debian Debian 11 Debian 12 Bookworm Debian 13 Trixie DNS Firewall Fix Prevention FreeBSD FreeBSD 12 FreeBSD 13 FreeBSD 14 FreeBSD 15 Kernel Drivers Logging Monitoring Lvm Raid NetBSD Networking openSUSE Operations Oracle Linux Oracle Linux 8 Oracle Linux 9 Package Management Performance Proxy Security Hardening SLES Storage Disk Systemd Services Tls Ssl Troubleshooting ubuntu VPN windows server
CHAT