Linux

Ubuntu 24.04 — openvpn — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — openvpn — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • January 30, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 30 January 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8286-1 Related CVEs: CVE-2026-35058 CVE-2026-40215 CVE-2025-13086 CVE-2025-2704 CVE-2024-28882 CVE-2024-5594 Upstream summary: Guannan Wang, Zhanpeng Liu, Guancheng Li, and Emma Reuter discovered that OpenVPN incorrectly handled suitably malformed packets with valid […]

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Ubuntu 20.04 — mysql-8.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — mysql-8.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 30, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 30 January 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8006-1 Related CVEs: CVE-2025-53054 CVE-2026-21941 CVE-2026-21936 CVE-2026-21948 CVE-2025-53053 CVE-2025-53069 CVE-2025-53040 CVE-2025-53062  +12 more Upstream summary: Multiple security issues were discovered in MySQL and this update includes a new upstream MySQL […]

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SLES 16 — p11-kit — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — p11-kit — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • January 30, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 30 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:599-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-29361 CVE-2020-29363 CVE-2020-29362 Upstream summary: An issue was discovered in p11-kit 0.21.1 through 0.23.21. Multiple integer overflows have been discovered in the array allocations in […]

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SLES 15 — libcairo2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libcairo2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • January 30, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 30 January 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:1671-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-9082 CVE-2017-7475 CVE-2017-9814 CVE-2025-50422 CVE-2019-6461 CVE-2019-6462 Upstream summary: Integer overflow in the write_png function in cairo 1.14.6 allows remote attackers to cause a denial of […]

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Oracle Linux 9 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — vulnerability — patch and remediation guide (ELSA-2025-21926)

  • January 30, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 30 January 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-21926 Related CVEs: CVE-2025-39843 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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CentOS Stream 9 — rapidjson — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — rapidjson — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 30, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 30 January 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:5640 Related CVEs: CVE-2026-21936 CVE-2026-21937 CVE-2026-21941 CVE-2026-21948 CVE-2026-21964 CVE-2026-21968 CVE-2025-53040 CVE-2025-53042  +12 more Upstream summary: MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) […]

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CentOS Stream 9 — gdk-pixbuf2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — gdk-pixbuf2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • January 30, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 30 January 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:10708 Related CVEs: CVE-2026-5201 CVE-2022-48622 CVE-2021-44648 CVE-2021-46829 Upstream summary: The gdk-pixbuf2 packages provide an image loading library that can be extended by loadable modules for new image formats. It is used […]

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AlmaLinux 8 — slapi-nis — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — slapi-nis — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • January 30, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:21140 Related CVEs: CVE-2025-59088 CVE-2025-59089 CVE-2025-7493 CVE-2025-4404 CVE-2024-2698 CVE-2024-3183 CVE-2020-17049 CVE-2023-5455  +1 more Upstream summary: AlmaLinux Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and […]

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SLES 16 — libQt6NetworkAuth6 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libQt6NetworkAuth6 — vulnerability — patch and remediation guide

  • January 30, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 30 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:0138-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-36048 Upstream summary: QAbstractOAuth in Qt Network Authorization in Qt before 5.15.17, 6.x before 6.2.13, 6.3.x through 6.5.x before 6.5.6, and 6.6.x through 6.7.x before […]

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CentOS Stream 10 — freeipmi — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — freeipmi — vulnerability — patch and remediation guide

  • January 30, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 30 January 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:13515 Related CVEs: CVE-2026-33554 Upstream summary: The freeipmi packages contain an Intelligent Platform Management Interface (IPMI) remote console and system management software based on the IPMI specification. Security Fix(es): * freeipmi: […]

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