Logging Monitoring

Ubuntu 22.04 — python-urllib3 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-urllib3 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • February 27, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 27 February 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7955-2 Related CVEs: CVE-2026-21441 https://bugs.launchpad.net/bugs/2138420 CVE-2025-66418 CVE-2025-66471 CVE-2025-50182 CVE-2025-50181 CVE-2024-37891 CVE-2018-25091  +2 more Upstream summary: USN-7955-1 fixed vulnerabilities in urllib3. The update introduced a regression in response streaming on Ubuntu […]

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Ubuntu 20.04 — zulucrypt — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — zulucrypt — vulnerability — patch and remediation guide

  • February 27, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 27 February 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8218-1 Related CVEs: CVE-2025-53391 Upstream summary: Aaron Rainbolt discovered that zuluCrypt used insecure PolicyKit settings in zuluPolkit. An attacker could possibly use this issue to cause local privilege escalation to […]

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

SLES 16 — libpixman — vulnerability — patch and remediation guide

  • February 27, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 27 February 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:4148-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-44638 Upstream summary: In libpixman in Pixman before 0.42.2, there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow […]

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NetBSD 9.4 — php-concrete-cms — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — php-concrete-cms — multiple vulnerabilities (13 CVEs) — patch and remediation guide

  • February 27, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2026-3452 CVE-2024-2753 CVE-2024-3178 CVE-2024-3179 CVE-2024-3180 CVE-2024-3181 CVE-2025-8571 CVE-2025-8573  +5 more Upstream summary: pkgsrc audit-packages flagged php{56,74,81,82,83,84}-concrete-cms<9.4.8 for vulnerability class 'code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-3452 Table of contents Symptom & Impact Environment […]

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SLES 16 — libopus0 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libopus0 — vulnerability — patch and remediation guide

  • February 27, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 February 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:0436-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-0381 Upstream summary: An information disclosure vulnerability in silk/NLSF_stabilize.c in libopus in Mediaserver could enable a local malicious application to access data outside of its […]

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Oracle Linux 8 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2026-3464)

  • February 27, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 February 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-3464 Related CVEs: CVE-2026-23097 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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Oracle Linux 10 — go-rpm-macros — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — go-rpm-macros — vulnerability — patch and remediation guide (ELSA-2026-8840)

  • February 27, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 27 February 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-8840 Related CVEs: CVE-2026-25679 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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Oracle Linux 8 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2026-16195)

  • February 27, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 27 February 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-16195 Related CVEs: CVE-2026-43284 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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Oracle Linux 8 — postgresql:13 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — postgresql:13 — vulnerability — patch and remediation guide (ELSA-2026-4024)

  • February 27, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 27 February 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-4024 Related CVEs: CVE-2026-2004 CVE-2026-2005 CVE-2026-2006 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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Ubuntu 22.04 — linux-aws-fips — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-aws-fips — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 27, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 27 February 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8279-1 Related CVEs: CVE-2024-35862 CVE-2024-50060 CVE-2026-23274 CVE-2026-23351 CVE-2026-31419 CVE-2026-31431 CVE-2026-31504 CVE-2026-31533  +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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