December 2023 - Page 3 of 88

FreeBSD 12 — webp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — webp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: graphics/webp heap buffer overflow Related CVEs: CVE-2023-4863 Upstream summary: Google Chrome reports: Heap buffer overflow in WebP … allowed a remote attacker to perform an out of bounds memory write […]

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Debian 12 — swaylock — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — swaylock — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-26530 Upstream summary: swaylock before 1.6 allows attackers to trigger a crash and achieve unlocked access to a Wayland compositor. Table of contents Symptom & Impact Environment & […]

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Ubuntu 20.04 — node-browserify-sign — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — node-browserify-sign — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6800-1 Related CVEs: CVE-2023-46234 Upstream summary: It was discovered that browserify-sign incorrectly handled an upper bound check in signature verification. If a user or an automated system were tricked into […]

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Ubuntu 14.04 — graphviz — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — graphviz — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6708-1 Related CVEs: CVE-2023-46045 CVE-2018-10196 CVE-2019-11023 CVE-2020-18032 CVE-2014-9157 Upstream summary: It was discovered that Graphviz incorrectly handled certain config6a files. An attacker could possibly use this issue to cause a […]

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CentOS Stream 9 — python-dns — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — python-dns — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:9423 Related CVEs: CVE-2023-29483 Upstream summary: The python-dns package contains the dnslib module that implements a DNS client and additional modules that define certain symbolic constants used by DNS, such as […]

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

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2023-7508)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7508 Related CVEs: CVE-2023-6205 CVE-2023-6209 CVE-2023-6207 CVE-2023-6212 CVE-2023-6206 CVE-2023-6204 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Set Up FreeBSD Jails with iocage on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up FreeBSD Jails with iocage on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up freebsd jails with iocage on freebsd 14 on FreeBSD 14 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from […]

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NetBSD 9.4 — zebedee — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — zebedee — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged zebedee<2.5.3 for vulnerability class 'denial-of-service'. Reference: http://sourceforge.net/mailarchive/forum.php?thread_id=8134987&forum_id=2055 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Windows Server 2022 — KB5023756 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5023756 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5023756 • MSRC update-guide entry Related CVEs: CVE-2023-21708 CVE-2023-23404 CVE-2023-23415 CVE-2023-23416 CVE-2023-23385 CVE-2023-23394 CVE-2023-23403 CVE-2023-24856  +12 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

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