Security Hardening

openSUSE Tumbleweed — libX11 — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libX11 — multiple vulnerabilities (16 CVEs) — patch and remediation guide

  • August 24, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2092-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-3138 CVE-2018-14600 CVE-2020-14363 CVE-2021-31535 CVE-2025-26597 CVE-2022-3555 CVE-2023-43785 CVE-2023-43786  +8 more Upstream summary: A vulnerability was found in libX11. The security flaw occurs because the functions […]

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Windows Server 2019 — KB5072033 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5072033 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5072033 • MSRC update-guide entry Related CVEs: CVE-2025-62454 CVE-2025-62457 CVE-2025-62466 CVE-2025-62470 CVE-2025-62472 CVE-2025-62473 CVE-2025-62549 CVE-2025-62571  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Heap-based buffer overflow in Windows […]

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Debian 11 — node-katex — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-katex — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • August 24, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 August 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-28243 CVE-2024-28244 CVE-2024-28245 CVE-2024-28246 CVE-2025-23207 Upstream summary: KaTeX is a JavaScript library for TeX math rendering on the web. KaTeX users who render untrusted mathematical expressions could encounter […]

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Alpine Linux 3.20 — frr — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — frr — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • August 24, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 8.2.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — frr 8.2.1-r0 Related CVEs: CVE-2022-26125 CVE-2022-26126 CVE-2022-26127 CVE-2022-26128 CVE-2022-26129 Upstream summary: Alpine community repository for vv3.20 ships frr 8.2.1-r0 which addresses CVE-2022-26125. Table of contents […]

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Debian 13 — socat — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — socat — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • August 24, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1484 CVE-2010-2799 CVE-2012-0219 CVE-2013-3571 CVE-2014-0019 CVE-2015-1379 CVE-2016-2217 CVE-2024-54661 Upstream summary: Format string vulnerability in the _msg function in error.c in socat 1.4.0.3 and earlier, when used as an […]

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Red Hat Enterprise Linux 9 — uuidd — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — uuidd — vulnerability — patch and remediation guide

  • August 24, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:1913 Related CVEs: CVE-2025-14104 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Windows Server 2019 — KB5062557 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5062557 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5062557 • MSRC update-guide entry Related CVEs: CVE-2024-36357 CVE-2024-36350 CVE-2025-47980 CVE-2025-47981 CVE-2025-48822 CVE-2025-55230 CVE-2025-49757 CVE-2025-53789  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: The vulnerability assigned to this […]

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

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

  • August 24, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-9351 CVE-2016-9400 CVE-2018-18541 CVE-2019-10877 CVE-2019-10878 CVE-2019-10879 CVE-2020-12066 CVE-2021-43518  +2 more Upstream summary: engine/server/server.cpp in Teeworlds 0.6.x before 0.6.3 allows remote attackers to read memory and cause a denial […]

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openSUSE Leap 15.6 — booth — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — booth — vulnerability — patch and remediation guide

  • August 24, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:2040-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-3049 Upstream summary: A flaw was found in Booth, a cluster ticket manager. If a specially-crafted hash is passed to gcry_md_get_algo_dlen(), it may allow […]

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Oracle Linux 9 — java-21-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-21-openjdk — vulnerability — patch and remediation guide (ELSA-2025-0426)

  • August 24, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 August 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-0426 Related CVEs: CVE-2025-21502 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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