Logging Monitoring

Ubuntu 18.04 — lxd — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — lxd — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • February 10, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 10 February 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8089-3 Related CVEs: CVE-2023-3978 CVE-2025-47911 CVE-2022-41723 CVE-2025-58190 CVE-2021-33194 CVE-2022-27664 CVE-2025-22872 CVE-2023-48795 Upstream summary: USN-8089-1 fixed vulnerabilities in Go Networking. This update provides the corresponding update to code vendored in LXD, […]

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Windows Server 2016 — KB5053593 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5053593 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5053593 • MSRC update-guide entry Related CVEs: CVE-2025-21247 Affected components: Windows Server 2016 Microsoft summary: Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature […]

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Ubuntu 22.04 — libblockdev — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libblockdev — vulnerability — patch and remediation guide

  • February 10, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 10 February 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7577-1 Related CVEs: CVE-2025-6019 Upstream summary: It was discovered that libblockdev incorrectly handled mount options when resizing certain filesystems. A local attacker with an active session on the console can […]

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Ubuntu 22.04 — djvulibre — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — djvulibre — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • February 10, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 10 February 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8054-1 Related CVEs: CVE-2025-53367 CVE-2021-46312 Upstream summary: It was discovered that DjVuLibre could be forced to execute a division by zero in certain instances. A remote attacker could possibly use […]

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openSUSE Leap 15.6 — c3p0 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — c3p0 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • February 10, 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-2026:0855-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-27727 CVE-2026-27830 Upstream summary: mchange-commons-java, a library that provides Java utilities, includes code that mirrors early implementations of JNDI functionality, including support for remote […]

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SLES 16 — libICE6 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libICE6 — vulnerability — patch and remediation guide

  • February 10, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 10 February 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:1835-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-2626 Upstream summary: It was discovered that libICE before 1.0.9-8 used a weak entropy to generate keys. A local attacker could potentially use this flaw […]

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Oracle Linux 9 — libxml2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libxml2 — vulnerability — patch and remediation guide (ELSA-2025-10699)

  • February 10, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 10 February 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-10699 Related CVEs: CVE-2025-6021 CVE-2025-49794 CVE-2025-49796 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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SLES 16 — python313-Jinja2 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — python313-Jinja2 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • February 10, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 10 February 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2020:209-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-10745 CVE-2019-10906 CVE-2019-8341 CVE-2020-28493 CVE-2014-0012 CVE-2024-22195 CVE-2024-34064 Upstream summary: In Pallets Jinja before 2.8.1, str.format allows a sandbox escape. Table of contents Symptom & Impact […]

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Windows Server 2016 — KB5049981 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5049981 — 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 KB5049981 • MSRC update-guide entry Related CVEs: CVE-2025-21294 CVE-2025-21295 CVE-2025-21296 CVE-2025-21298 CVE-2025-21307 CVE-2025-21411 CVE-2025-21413 CVE-2025-21210  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Table of contents Symptom […]

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

Oracle Linux 10 — expat — vulnerability — patch and remediation guide (ELSA-2025-19403)

  • February 10, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 10 February 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-19403 Related CVEs: CVE-2025-59375 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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