Linux

Ubuntu 20.04 — h2database — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — h2database — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 July 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5365-1 Related CVEs: CVE-2021-42392 CVE-2022-23221 Upstream summary: It was discovered that H2 was vulnerable to deserialization of untrusted data. An attacker could possibly use this issue to execute arbitrary code. […]

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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-2022-4855)

🟠 High   ⏱ 15–60 min  Last verified: 4 July 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4855 Related CVEs: CVE-2022-1552 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 9 — squid — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — squid — vulnerability — patch and remediation guide (ELSA-2024-0071)

🟠 High   ⏱ 15–60 min  Last verified: 4 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0071 Related CVEs: CVE-2023-46724 CVE-2023-49285 CVE-2023-46728 CVE-2023-49286 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Alpine Linux 3.18 — libxdmcp — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — libxdmcp — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.1.2-r3 📖 ~4 min read  •  Source: Alpine secdb entry — libxdmcp 1.1.2-r3 Related CVEs: CVE-2017-2625 Upstream summary: Alpine main repository for vv3.18 ships libxdmcp 1.1.2-r3 which addresses CVE-2017-2625. Table of contents Symptom & Impact Environment […]

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

Oracle Linux 9 — rsyslog — vulnerability — patch and remediation guide (ELSA-2022-4795)

🟠 High   ⏱ 15–60 min  Last verified: 4 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4795 Related CVEs: CVE-2022-24903 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 9 — linux-firmware — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — linux-firmware — vulnerability — patch and remediation guide (ELSA-2024-12578)

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12578 Related CVEs: CVE-2023-31315 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 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2022-1730)

🟠 High   ⏱ 15–60 min  Last verified: 4 July 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1730 Related CVEs: CVE-2022-29909 CVE-2022-29912 CVE-2022-29914 CVE-2022-1520 CVE-2022-29916 CVE-2022-29917 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 8 — python-mako — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-mako — vulnerability — patch and remediation guide (ELSA-2023-2893)

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2893 Related CVEs: CVE-2022-40023 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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Debian 12 — wireshark — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — wireshark — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-3627 CVE-2006-3628 CVE-2006-3629 CVE-2006-3630 CVE-2006-3631 CVE-2006-3632 CVE-2006-4330 CVE-2006-4331  +12 more Upstream summary: Unspecified vulnerability in the GSM BSSMAP dissector in Wireshark (aka Ethereal) 0.10.11 to 0.99.0 allows remote […]

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Gentoo Linux — sys-cluster/kubelet — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-cluster/kubelet — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202405-31 Related CVEs: CVE-2023-5528 Upstream summary: A vulnerability has been discovered in Kubelet. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

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