Package Management

Debian 11 — node-xml2js — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-xml2js — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 September 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-0842 Upstream summary: xml2js version 0.4.23 allows an external attacker to edit or add new properties to an object. This is possible because the application does not properly […]

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NetBSD 9.4 — libupnp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — libupnp — multiple vulnerabilities (4 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-2016-6255 CVE-2016-8863 CVE-2020-13848 CVE-2021-29462 Upstream summary: pkgsrc audit-packages flagged libupnp<1.6.21 for vulnerability class 'remote-security-bypass'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6255 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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Debian 12 — iucode-tool — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — iucode-tool — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-0357 Upstream summary: A heap-overflow flaw exists in the -tr loader of iucode-tool starting with v1.4 and before v2.1.1, potentially leading to SIGSEGV, or heap corruption. Table of […]

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CentOS Stream 9 — linux-firmware — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — linux-firmware — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 September 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:6595 Related CVEs: CVE-2022-27635 CVE-2022-36351 CVE-2022-38076 CVE-2022-40964 CVE-2022-46329 CVE-2023-20569 CVE-2023-20584 CVE-2023-31356  +2 more Upstream summary: The linux-firmware packages contain all of the firmware files that are required by various devices to […]

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Alpine Linux 3.18 — netatalk — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — netatalk — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 3.1.18-r0 📖 ~4 min read  •  Source: Alpine secdb entry — netatalk 3.1.18-r0 Related CVEs: CVE-2022-22995 CVE-2023-42464 CVE-2022-43634 CVE-2022-45188 CVE-2021-31439 CVE-2022-23121 CVE-2022-23123 CVE-2022-23122  +4 more Upstream summary: Alpine community repository for vv3.18 ships netatalk 3.1.18-r0 which […]

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How to Set Up Dovecot IMAP Server on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Dovecot IMAP Server on Debian 12

Introduction This guide explains how to Set Up Dovecot IMAP Server on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with […]

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How to Configure Loki for Log Aggregation on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Loki for Log Aggregation on CentOS Stream 9

Introduction This tutorial demonstrates how to Configure Loki for Log Aggregation on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with […]

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NetBSD 9.4 — milter-greylist — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — milter-greylist — 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 milter-greylist<3.0rc7 for vulnerability class 'denial-of-service'. Reference: http://mail-index.netbsd.org/pkgsrc-changes/2006/11/07/0024.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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NetBSD 9.4 — privoxy — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — privoxy — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2020-35502 CVE-2021-20209 CVE-2016-1982 CVE-2016-1983 CVE-2021-20210 CVE-2021-20211 CVE-2021-20212 CVE-2021-20213  +9 more Upstream summary: pkgsrc audit-packages flagged privoxy>=3.0.5<3.0.18 for vulnerability class 'http-response-splitting'. Reference: http://www.securityfocus.com/bid/50768 Table of contents Symptom & Impact Environment […]

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