Package Management

AlmaLinux 8 — grub2 — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — grub2 — multiple vulnerabilities (16 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-2025:3367 Related CVEs: CVE-2025-0624 CVE-2021-3695 CVE-2021-3696 CVE-2021-3697 CVE-2022-28733 CVE-2022-28734 CVE-2022-28735 CVE-2022-28736  +8 more Upstream summary: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and […]

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Amazon Linux 2 — kernel-livepatch-4.14.232-177.418 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.232-177.418 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2021-060 Related CVEs: CVE-2021-40490 CVE-2021-33909 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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Gentoo Linux — dev-java/velocity — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-java/velocity — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202107-52 Related CVEs: CVE-2020-13936 CVE-2020-13959 Upstream summary: Multiple vulnerabilities have been discovered in Apache Velocity. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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Rocky Linux 9 — thunderbird — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — thunderbird — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:15892 Related CVEs: CVE-2026-6746 CVE-2026-6747 CVE-2026-6748 CVE-2026-6749 CVE-2026-6750 CVE-2026-6751 CVE-2026-6752 CVE-2026-6753  +12 more Upstream summary: Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fix(es): * firefox: thunderbird: Incorrect […]

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Arch Linux — packagekit — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — packagekit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202106-18 Related CVEs: CVE-2020-16121 Upstream summary: Type: information disclosure. Status: Fixed. Affected: 1.1.13-1. Fixed in: 1.2.3-1. Group: AVG-1260. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.2304.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libfastjson 1.2304.0-r0 Related CVEs: CVE-2020-12762 Upstream summary: Alpine main repository for vv3.18 ships libfastjson 1.2304.0-r0 which addresses CVE-2020-12762. Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — go-crypto — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — go-crypto — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 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-2020-9283 CVE-2019-11840 CVE-2019-11841 Upstream summary: pkgsrc audit-packages flagged go-crypto<0.0.20200221 for vulnerability class 'remote-denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-9283 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Windows Server 2016 — KB5031419 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5031419 — 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 KB5031419 • MSRC update-guide entry Related CVEs: CVE-2023-35349 CVE-2023-41765 CVE-2023-41770 CVE-2023-41768 CVE-2023-41767 CVE-2023-41771 CVE-2023-41769 CVE-2023-41773  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Table of contents Symptom […]

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openSUSE Leap 15.5 — ruby2.5-rubygem-railties — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — ruby2.5-rubygem-railties — vulnerability — 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-2023:0350-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-38037 Upstream summary: ActiveSupport::EncryptedFile writes contents that will be encrypted to a temporary file. The temporary file's permissions are defaulted to the user's current […]

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Red Hat Enterprise Linux 10 — unbound — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — unbound — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:18556 Related CVEs: CVE-2024-33655 CVE-2025-11411 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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