Security Hardening

openSUSE Leap 15.6 — python3-Django — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — python3-Django — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 16, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:03446-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-59681 CVE-2025-13473 CVE-2026-1207 CVE-2026-1285 CVE-2026-1287 CVE-2026-1312 CVE-2025-13372 CVE-2025-64460  +12 more Upstream summary: An issue was discovered in Django 4.2 before 4.2.25, 5.1 before 5.1.13, […]

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Debian 13 — cyrus-imapd — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — cyrus-imapd — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • May 16, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 16 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1580 CVE-2004-1012 CVE-2004-1013 CVE-2019-11356 CVE-2019-18928 CVE-2019-19783 CVE-2021-32056 CVE-2021-33582  +1 more Upstream summary: Integer overflow in imapparse.c for Cyrus IMAP server 1.4 and 2.1.10 allows remote attackers to execute […]

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Debian 13 — freexl — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — freexl — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • May 16, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 16 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-2753 CVE-2015-2754 CVE-2015-2776 CVE-2017-2923 CVE-2017-2924 CVE-2018-7435 CVE-2018-7436 CVE-2018-7437  +2 more Upstream summary: FreeXL before 1.0.0i allows remote attackers to cause a denial of service (stack corruption) or possibly […]

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Windows Server 2016 — KB5051980 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5051980 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5051980 • MSRC update-guide entry Related CVEs: CVE-2025-21376 CVE-2025-26634 CVE-2025-21351 CVE-2025-21352 CVE-2025-21368 CVE-2025-21369 CVE-2025-21375 CVE-2025-21391  +12 more Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root […]

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SLES 16 — xmlgraphics-commons — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — xmlgraphics-commons — vulnerability — patch and remediation guide

  • May 16, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 16 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:712-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-11988 Upstream summary: Apache XmlGraphics Commons 2.4 and earlier is vulnerable to server-side request forgery, caused by improper input validation by the XMPParser. By using […]

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

SLES 16 — aaa_base — vulnerability — patch and remediation guide

  • May 16, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 16 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2011:005 (see also SUSE bugzilla) Related CVEs: CVE-2011-0461 Upstream summary: /etc/init.d/boot.localfs in the aaa_base package before 11.2-43.48.1 in SUSE openSUSE 11.2, and before 11.3-8.7.1 in openSUSE 11.3, allows local users to overwrite […]

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Ubuntu 24.04 — linux-aws — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — linux-aws — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 16, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 16 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8278-1 Related CVEs: CVE-2024-50004 CVE-2024-58096 CVE-2024-58097 CVE-2025-37926 CVE-2025-38201 CVE-2025-38591 CVE-2025-40039 CVE-2025-40082  +12 more Upstream summary: It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic […]

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Red Hat Enterprise Linux 9 — osbuild-composer — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — osbuild-composer — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • May 16, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19475 Related CVEs: CVE-2025-68121 CVE-2026-25679 CVE-2025-61726 CVE-2025-61729 CVE-2025-61728 CVE-2025-65637 CVE-2025-58183 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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Oracle Linux 10 — grafana — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — grafana — vulnerability — patch and remediation guide (ELSA-2025-7475)

  • May 16, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 16 May 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-7475 Related CVEs: CVE-2025-30204 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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