Linux

Amazon Linux 2 — bcc — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — bcc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2024-2551 Related CVEs: CVE-2024-2314 Upstream summary: If kernel headers need to be extracted, bcc will attempt to load them from a temporary directory. An unprivileged attacker could use this to […]

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AlmaLinux 8 — SLOF — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — SLOF — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:4420 Related CVEs: CVE-2024-4467 CVE-2022-40284 CVE-2023-3354 CVE-2025-11234 CVE-2025-49133 CVE-2024-3446 CVE-2024-7383 CVE-2024-7409  +12 more Upstream summary: Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel […]

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Alpine Linux 3.20 — yt-dlp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — yt-dlp — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2023.11.14-r0 📖 ~4 min read  •  Source: Alpine secdb entry — yt-dlp 2023.11.14-r0 Related CVEs: CVE-2023-46121 CVE-2023-35934 CVE-2023-40581 CVE-2024-22423 Upstream summary: Alpine community repository for vv3.20 ships yt-dlp 2023.11.14-r0 which addresses CVE-2023-46121. Table of contents Symptom […]

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Debian 12 — php-horde-groupware — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — php-horde-groupware — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 February 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-41066 Upstream summary: Horde Groupware v5.2.22 has a user enumeration vulnerability that allows an unauthenticated attacker to determine the existence of valid accounts on the system. To exploit […]

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Alpine Linux 3.19 — pdns-recursor — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — pdns-recursor — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 4.9.5-r0 📖 ~4 min read  •  Source: Alpine secdb entry — pdns-recursor 4.9.5-r0 Related CVEs: CVE-2024-25583 CVE-2023-50387 CVE-2023-50868 CVE-2023-22617 CVE-2022-37428 CVE-2022-27227 CVE-2020-25829 CVE-2020-14196  +12 more Upstream summary: Alpine community repository for vv3.19 ships pdns-recursor 4.9.5-r0 which […]

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Ubuntu 18.04 — c-ares — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — c-ares — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 February 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6676-1 Related CVEs: CVE-2024-25629 CVE-2023-31130 CVE-2023-32067 CVE-2022-4904 CVE-2021-3672 Upstream summary: Vojtěch Vobr discovered that c-ares incorrectly handled user input from local configuration files. An attacker could possibly use this issue […]

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openSUSE Leap 15.6 — tomcat — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — tomcat — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:14525-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-52316 CVE-2025-66614 CVE-2025-55752 CVE-2025-48989 CVE-2025-48988 CVE-2025-49125 CVE-2025-31650 CVE-2025-31651  +12 more Upstream summary: Unchecked Error Condition vulnerability in Apache Tomcat. If Tomcat is configured to […]

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

Oracle Linux 8 — vsftpd — vulnerability — patch and remediation guide (ELSA-2026-0608)

🟡 Medium   ⏱ 10–30 min  Last verified: 4 February 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-0608 Related CVEs: CVE-2025-14242 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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openSUSE Leap 15.5 — ruby2.5-rubygem-actionpack — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — ruby2.5-rubygem-actionpack — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:14479-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-47887 CVE-2023-28362 CVE-2020-8166 Upstream summary: Action Pack is a framework for handling and responding to web requests. Starting in version 4.0.0 and prior to […]

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

Oracle Linux 9 — openssl — vulnerability — patch and remediation guide (ELSA-2025-28020)

🟡 Medium   ⏱ 10–30 min  Last verified: 4 February 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-28020 Related CVEs: CVE-2025-9230 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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