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How to Configure pf Packet Filtering on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure pf Packet Filtering on FreeBSD 15

Introduction How to Configure pf Packet Filtering on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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Debian 13 — unzip — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — unzip — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 July 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0282 CVE-2005-0602 CVE-2005-2475 CVE-2005-4667 CVE-2008-0888 CVE-2014-8139 CVE-2014-8140 CVE-2014-8141  +11 more Upstream summary: Directory traversal vulnerability in UnZip 5.50 allows attackers to overwrite arbitrary files via invalid characters between […]

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FreeBSD 15 — fontconfig — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — fontconfig — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: fontconfig — insufficiently cache file validation Related CVEs: CVE-2016-5384 Upstream summary: Debian security team reports: Tobias Stoeckmann discovered that cache files are insufficiently validated in fontconfig, a generic font configuration […]

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Common Problems 116042

Ubuntu 26.04 LTS – root filesystem fills due to systemd journal growth – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 28 July 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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Rocky Linux 9 — go-rpm-macros — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — go-rpm-macros — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8841 Related CVEs: CVE-2026-25679 CVE-2025-61726 CVE-2025-47906 Upstream summary: This package provides build-stage rpm automation to simplify the creation of Go language (golang) packages. It does not need to be included […]

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Debian 13 — beep — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — beep — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 July 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-0492 CVE-2018-1000532 Upstream summary: Johnathan Nightingale beep through 1.3.4, if setuid, has a race condition that allows local privilege escalation. Table of contents Symptom & Impact Environment & […]

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Debian 11 — libcrypt-openssl-pkcs12-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libcrypt-openssl-pkcs12-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 July 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-8721 Upstream summary: Crypt::OpenSSL::PKCS12 versions through 1.94 for Perl truncates passwords with embedded NULLs. Password parameters in PKCS12.xs are declared char *, which routes through Perl's default typemap […]

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Red Hat Enterprise Linux 10 — gnutls — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — gnutls — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:6618 Related CVEs: CVE-2025-14831 CVE-2025-9820 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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