Linux

CentOS Stream 10 — postgresql16 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — postgresql16 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • May 21, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:3887 Related CVEs: CVE-2026-2004 CVE-2026-2005 CVE-2026-2006 CVE-2025-8714 CVE-2025-8715 CVE-2025-12818 Upstream summary: PostgreSQL is an advanced Object-Relational database management system (DBMS). The base postgresql package contains the client programs that you'll need […]

Read more
Common Problems 116436

Ubuntu 24.04 LTS – UFW blocks required inbound service ports – Fix & Prevention

  • May 21, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 24.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

Read more
CentOS Stream 9 — perl-XML-Parser — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — perl-XML-Parser — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 21, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:7679 Related CVEs: CVE-2006-10002 CVE-2006-10003 Upstream summary: This module provides ways to parse XML documents. It is built on top of XML::Parser::Expat, which is a lower level interface to James Clark's […]

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

Oracle Linux 9 — firefox — vulnerability — patch and remediation guide (ELSA-2024-1485)

  • May 21, 2026
  • Linux
  • Comment off

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1485 Related CVEs: CVE-2024-2616 CVE-2024-2611 CVE-2024-29944 CVE-2024-2612 CVE-2024-2614 CVE-2024-2608 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
SLES 16 — libfreebl3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libfreebl3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 21, 2026
  • Linux
  • Comment off

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:385-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-12400 CVE-2020-12401 CVE-2020-12403 CVE-2020-6829 CVE-2015-2721 CVE-2015-7181 CVE-2015-7182 CVE-2016-1950  +12 more Upstream summary: When converting coordinates from projective to affine, the modular inversion was not performed […]

Read more
Common Problems 116935

Ubuntu 22.04 LTS – UFW blocks required inbound ports – Fix & Prevention

  • May 21, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 22.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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

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

  • May 21, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-14032 CVE-2017-18187 CVE-2017-2784 CVE-2018-0487 CVE-2018-0488 CVE-2018-0497 CVE-2018-0498 CVE-2018-1000520  +12 more Upstream summary: ARM mbed TLS before 1.3.21 and 2.x before 2.1.9, if optional authentication is configured, allows remote […]

Read more
Common Problems 117430

Ubuntu 20.04 LTS DHCP Lease Not Renewing

  • May 21, 2026
  • Linux
  • Comment off

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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

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

  • May 21, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-0871 CVE-2012-1101 CVE-2012-1174 CVE-2013-4327 CVE-2013-4391 CVE-2013-4392 CVE-2013-4393 CVE-2013-4394  +12 more Upstream summary: The session_link_x11_socket function in login/logind-session.c in systemd-logind in systemd, possibly 37 and earlier, allows local users […]

Read more
Common Problems 124004

Oracle Linux 10 – chronyd not synchronizing system time with NTP sources – Fix & Prevention

  • May 21, 2026
  • Linux
  • Comment off

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Oracle Linux 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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

Progressive Robot: Your Gateway to Comprehensive IT Solutions — Specializing in Web Development, Mobile App Development, and Expert IT Services.

Twitter Facebook Pinterest-p Ovaicon-instagram Linkedin Youtube Whatsapp Github

Links

Newsletter

Signup for our latest news & articles. We won’t give you spam mails.

Contact

© All Copyright 2026 by Progressiverobot.com

VAT Number ( 506152326 )

Progressive Robot Microsoft Solutions Partner logo with four-color square icon and text reading Microsoft Solutions Partner
Progressive Robot AMD Adaptive Computing Partner Elite badge logo
Progressive Robot NVIDIA Partner badge
vmware Partner
cisco partner
AWS Partner
IBM Partner
HP Partner
Dell partner
Juniper partner
CHAT