Logging Monitoring

NetBSD 9.4 — py-ruamel-yaml — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-ruamel-yaml — vulnerability — 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-2019-20478 Upstream summary: pkgsrc audit-packages flagged py{27,36,37,38}-ruamel-yaml-[0-9]* for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-20478 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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

Debian 12 — liquidsoap — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4965 Upstream summary: liguidsoap.py in liguidsoap 0.3.8.1+2 allows local users to overwrite arbitrary files via a symlink attack on (1) /tmp/liguidsoap.liq, (2) /tmp/lig.#####.log, and (3) /tmp/emission.ogg temporary files. […]

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

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2025-22801)

🟡 Medium   ⏱ 10–30 min  Last verified: 9 December 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-22801 Related CVEs: CVE-2022-50543 CVE-2023-53401 CVE-2023-53539 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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NetBSD 9.4 — mit-krb5-appl — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — mit-krb5-appl — 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-2011-4862 CVE-2019-25017 CVE-2019-25018 Upstream summary: pkgsrc audit-packages flagged mit-krb5-appl<1.0.1nb1 for vulnerability class 'remote-system-access'. Reference: http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2011-005.txt Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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How to Install and Configure BIND9 DNS Server on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install and Configure BIND9 DNS Server on Debian 12

Introduction How to Install and Configure BIND9 DNS Server on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 0.7.8-r0 📖 ~4 min read  •  Source: Alpine secdb entry — optipng 0.7.8-r0 Related CVEs: CVE-2023-43907 Upstream summary: Alpine community repository for vv3.18 ships optipng 0.7.8-r0 which addresses CVE-2023-43907. Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — libwebp — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libwebp — vulnerability — patch and remediation guide (ELSA-2023-5214)

🟠 High   ⏱ 15–60 min  Last verified: 9 December 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5214 Related CVEs: CVE-2023-4863 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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FreeBSD 14 — libXres — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — libXres — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 December 2023 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xorg — protocol handling issues in X Window System client libraries Related CVEs: CVE-2013-1981 CVE-2013-1982 CVE-2013-1983 CVE-2013-1984 CVE-2013-1985 CVE-2013-1986 CVE-2013-1987 CVE-2013-1988  +12 more Upstream summary: freedesktop.org reports: Ilja van Sprundel, […]

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openSUSE Leap 15.5 — squashfs — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — squashfs — multiple vulnerabilities (4 CVEs) — 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 SUSE-SU-2023:4424-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-4645 CVE-2015-4646 CVE-2021-40153 CVE-2021-41072 Upstream summary: Integer overflow in the read_fragment_table_4 function in unsquash-4.c in Squashfs and sasquatch allows remote attackers to cause a […]

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How to Configure Gitea Self-Hosted Git Service on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Gitea Self-Hosted Git Service on Debian 12

Introduction How to Configure Gitea Self-Hosted Git Service on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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