Security Hardening

Debian 12 — libcommons-lang-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libcommons-lang-java — vulnerability — patch and remediation guide

  • January 16, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 16 January 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-48924 Upstream summary: Uncontrolled Recursion vulnerability in Apache Commons Lang. This issue affects Apache Commons Lang: Starting with commons-lang:commons-lang 2.0 to 2.6, and, from org.apache.commons:commons-lang3 3.0 before 3.18.0. The methods ClassUtils.getClass(…) […]

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openSUSE Tumbleweed — apache2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — apache2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 16, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0091-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-44790 CVE-2021-42013 CVE-2010-0425 CVE-2026-23918 CVE-2026-24072 CVE-2026-29169 CVE-2026-33006 CVE-2026-33523  +12 more Upstream summary: A carefully crafted request body can cause a buffer overflow in the mod_lua […]

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Red Hat Enterprise Linux 9 — python3.12 — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — python3.12 — multiple vulnerabilities (19 CVEs) — patch and remediation guide

  • January 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-2026:19177 Related CVEs: CVE-2025-6075 CVE-2025-13837 CVE-2025-15282 CVE-2025-59375 CVE-2026-0672 CVE-2026-1502 CVE-2026-2297 CVE-2026-3644  +11 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Debian 13 — xboard — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — xboard — vulnerability — patch and remediation guide

  • January 16, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 16 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2552 Upstream summary: Buffer overflow in XBoard 4.2.7 and earlier might allow local users to execute arbitrary code via a long -icshost command line argument. NOTE: since the […]

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Windows Server 2019 — KB5053627 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5053627 — 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 KB5053627 • MSRC update-guide entry Related CVEs: CVE-2025-24035 CVE-2025-24064 CVE-2025-26645 CVE-2024-9157 CVE-2025-24987 CVE-2025-24988 CVE-2025-21180 CVE-2025-24996  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Sensitive data storage in improperly […]

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SLES 15 — npm24 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — npm24 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • January 16, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 16 January 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:7350 (see also SUSE bugzilla) Related CVEs: CVE-2026-21712 CVE-2025-59464 Upstream summary: A flaw in Node.js URL processing causes an assertion failure in native code when `url.format()` is called with a malformed internationalized […]

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CentOS Stream 9 — nghttp2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — nghttp2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • January 16, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 16 January 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:7668 Related CVEs: CVE-2026-27135 CVE-2023-44487 CVE-2024-28182 Upstream summary: libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 (HTTP/2) protocol in C. Security Fix(es): * nghttp2: nghttp2: Denial of Service […]

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openSUSE Leap 15.6 — iputils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — iputils — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • January 16, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:17558 (see also SUSE bugzilla) Related CVEs: CVE-2025-48964 CVE-2025-47268 Upstream summary: ping in iputils before 20250602 allows a denial of service (application error in adaptive ping mode or incorrect data collection) […]

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openSUSE Leap 15.6 — libmicrohttpd12 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — libmicrohttpd12 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • January 16, 2026
  • 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-2025:21200-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-59777 CVE-2025-62689 Upstream summary: NULL pointer dereference vulnerability exists in GNU libmicrohttpd v1.0.2 and earlier. The vulnerability was fixed in commit ff13abc on the […]

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CentOS Stream 10 — git — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — git — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • January 16, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 16 January 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:11533 Related CVEs: CVE-2024-50349 CVE-2024-52006 CVE-2025-27613 CVE-2025-27614 CVE-2025-46835 CVE-2025-48384 CVE-2025-48385 Upstream summary: Git is a distributed revision control system with a decentralized architecture. As opposed to centralized version control systems with […]

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