Package Management

Amazon Linux 2023 — janino — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — janino — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-266 Related CVEs: CVE-2023-33546 Upstream summary: janino 3.1.9 and earlier are subject to denial of service (DOS) attacks when using the expression evaluator.guess parameter name method. If the parser runs […]

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

NetBSD 9.4 — spotifyd — vulnerability — 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 Upstream summary: pkgsrc audit-packages flagged spotifyd-[0-9]* for vulnerability class 'unknown'. Reference: https://github.com/rust-openssl/rust-openssl/releases/tag/openssl-v0.10.78 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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How to Harden SSH on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Harden SSH on CentOS Stream 9

Introduction Setting up harden ssh on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Harden SSH on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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Common Problems 119966

Debian 12 Repository GPG Key Expired During apt update

🟠 High   ⏱ 5–30 min  Last verified: 16 October 2023 Affected versions: Debian 12 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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

NetBSD 9.4 — openldap-client — multiple vulnerabilities (4 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-2009-3767 CVE-2012-2668 CVE-2006-5779 CVE-2008-2952 Upstream summary: pkgsrc audit-packages flagged openldap-client<2.4.18 for vulnerability class 'man-in-the-middle-attack'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3767 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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Debian 12 — libspf2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libspf2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~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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Debian 12 — graphite-web — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — graphite-web — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-5093 CVE-2013-5942 CVE-2013-5943 CVE-2017-18638 CVE-2022-4728 CVE-2022-4729 CVE-2022-4730 Upstream summary: The renderLocalView function in render/views.py in graphite-web in Graphite 0.9.5 through 0.9.10 uses the pickle Python module unsafely, which […]

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openSUSE Tumbleweed — keepass — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — keepass — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0157-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-32784 Upstream summary: In KeePass 2.x before 2.54, it is possible to recover the cleartext master password from a memory dump, even when a workspace […]

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How to Configure Apache with mod_pagespeed on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Apache with mod_pagespeed on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying configure apache with mod_pagespeed on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Apache with mod_pagespeed on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Debian 11 — prometheus-blackbox-exporter — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — prometheus-blackbox-exporter — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 October 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-16248 CVE-2023-26735 Upstream summary: Prometheus Blackbox Exporter through 0.17.0 allows /probe?target= SSRF. NOTE: follow-on discussion suggests that this might plausibly be interpreted as both intended functionality and also […]

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