Security Hardening

NetBSD 9.4 — postgresql-server — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — postgresql-server — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • July 5, 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-2026-2006 CVE-2022-2625 CVE-2022-1552 CVE-2024-0985 CVE-2025-1094 CVE-2025-8714 CVE-2025-8715 CVE-2026-2003  +6 more Upstream summary: pkgsrc audit-packages flagged postgresql-server<7.2.2 for vulnerability class 'remote-code-execution'. Reference: http://online.securityfocus.com/archive/1/288998 Table of contents Symptom & Impact Environment […]

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Ubuntu 22.04 — google-guest-agent — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — google-guest-agent — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • July 5, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 5 July 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7956-1 Related CVEs: CVE-2025-58181 CVE-2024-45337 CVE-2024-24786 Upstream summary: Jakub Ciolek discovered that the Go Cryptography module included in Google Guest Agent did not validate GSSAPI authentication requests during SSH operations. […]

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Ubuntu 24.04 — rustc-1.85 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — rustc-1.85 — vulnerability — patch and remediation guide

  • July 5, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 5 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8168-1 Related CVEs: CVE-2026-33056 Upstream summary: It was discovered that tar-rs embedded in rustc incorrectly handled symlinks when unpacking a tar archive. If a user or automated system were tricked […]

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Oracle Linux 10 — osbuild-composer — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — osbuild-composer — vulnerability — patch and remediation guide (ELSA-2025-19566)

  • July 5, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 5 July 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-19566 Related CVEs: CVE-2025-27144 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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SLES 16 — hyper-v — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — hyper-v — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • July 5, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 5 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2012:1673-1 (see also SUSE bugzilla) Related CVEs: CVE-2012-2669 CVE-2012-5532 Upstream summary: The main function in tools/hv/hv_kvp_daemon.c in hypervkvpd, as distributed in the Linux kernel before 3.4.5, does not validate the origin of […]

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Ubuntu 18.04 — openjdk-17 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — openjdk-17 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 5, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 5 July 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7998-1 Related CVEs: CVE-2026-21932 CVE-2026-21933 CVE-2026-21925 CVE-2026-21945 CVE-2025-53057 CVE-2025-53066 CVE-2025-50106 CVE-2025-30754  +12 more Upstream summary: It was discovered that the RMI component of OpenJDK 17 would establish RMI TCP endpoint […]

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NetBSD 9.4 — lrzip — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — lrzip — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 5, 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-2017-8846 CVE-2018-5747 CVE-2018-11496 CVE-2022-26291 CVE-2021-33453 CVE-2025-15570 CVE-2017-8844 CVE-2017-8847  +12 more Upstream summary: pkgsrc audit-packages flagged lrzip-[0-9]* for vulnerability class 'use-after-free'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-8846 Table of contents Symptom & Impact Environment […]

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

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide (ELSA-2025-8607)

  • July 5, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 5 July 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-8607 Related CVEs: CVE-2025-5269 CVE-2025-5266 CVE-2025-5263 CVE-2025-5264 CVE-2025-5268 CVE-2025-5267 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 9 — python3.12 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python3.12 — vulnerability — patch and remediation guide (ELSA-2026-6285)

  • July 5, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 5 July 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-6285 Related CVEs: CVE-2026-4519 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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Windows Server 2016 — KB5082806 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5082806 — 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 KB5082806 • MSRC update-guide entry Related CVEs: CVE-2026-32077 Affected components: Windows Server 2016 Microsoft summary: Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to […]

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