Package Management

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2305 Related CVEs: CVE-2022-1210 Upstream summary: A vulnerability classified as problematic was found in LibTIFF 4.3.0. Affected by this vulnerability is the TIFF File Handler of tiff2ps. Opening a malicious […]

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FreeBSD 13 — softether-devel — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — softether-devel — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 April 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: SoftEtherVPN — multiple vulnerabilities Related CVEs: CVE-2023-22325 CVE-2023-27395 CVE-2023-27516 CVE-2023-31192 CVE-2023-32275 CVE-2023-32634 Upstream summary: Daiyuu Nobori reports: The SoftEther VPN project received a high level code review and technical assistance […]

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Windows Server 2019 — KB5030186 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5030186 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5030186 • MSRC update-guide entry Related CVEs: CVE-2023-36796 CVE-2023-36793 CVE-2023-36792 CVE-2023-36794 CVE-2023-36788 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 Microsoft .NET Framework 3.5 AND 4.8 on Windows […]

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Debian 11 — libspf2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libspf2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 April 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-2469 CVE-2021-20314 CVE-2021-33912 CVE-2021-33913 CVE-2023-42118 Upstream summary: Heap-based buffer overflow in the SPF_dns_resolv_lookup function in Spf_dns_resolv.c in libspf2 before 1.2.8 allows remote attackers to execute arbitrary code via […]

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

Ubuntu 22.04 — sox — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 April 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6345-1 Related CVEs: CVE-2023-32627 CVE-2021-33844 CVE-2019-13590 CVE-2021-23159 CVE-2021-23172 CVE-2021-23210 CVE-2021-3643 CVE-2021-40426  +2 more Upstream summary: It was discovered that SoX incorrectly handled certain inputs. If a user or an automated […]

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Ubuntu 22.04 — docker-registry — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — docker-registry — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 April 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6336-1 Related CVEs: CVE-2017-11468 CVE-2023-2253 Upstream summary: It was discovered that Docker Registry incorrectly handled certain crafted input, A remote attacker could possibly use this issue to cause a denial […]

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How to Configure Chrony as a Time Server on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Chrony as a Time Server on RHEL 9

Accurate timekeeping is critical in enterprise Linux environments. Kerberos authentication, TLS certificate validation, log correlation, and distributed system coordination all depend on clocks being tightly synchronised across hosts. On RHEL 9, Chrony is the default NTP implementation, replacing the older ntpd daemon. This tutorial walks through configuring a dedicated Chrony NTP server on RHEL 9 […]

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Gentoo Linux — app-admin/usbview — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-admin/usbview — 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-202310-15 Related CVEs: CVE-2022-23220 Upstream summary: A vulnerability has been discovered in usbview. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

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SLES 15 — redis7 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — redis7 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 April 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:2925-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-36824 CVE-2023-28425 CVE-2023-41053 Upstream summary: Redis is an in-memory database that persists on disk. In Redit 7.0 prior to 7.0.12, extracting key names from a […]

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