Operations

Oracle Linux 8 — samba — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — samba — security and stability fixes — required update

🔴 Critical   ⏱ 15–90 min  Last verified: 7 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0332 Related CVEs: CVE-2021-44142 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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IBM AIX 7.3 — CVE-2007-4236 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2007-4236 — buffer overflow — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 7 January 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2007-4236, IBM Support Bulletin CVE: CVE-2007-4236 NVD summary: Buffer overflow in lpd in bos.rte.printers in AIX 5.2 and 5.3 allows local users with printq group privileges to gain root privileges. References: secunia.com/advisories/26219 […]

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FreeBSD 13 — py35-pygments — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py35-pygments — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pygments — shell injection vulnerability Related CVEs: CVE-2015-8557 Upstream summary: NVD reports: The FontManager._get_nix_font_path function in formatters/img.py in Pygments 1.2.2 through 2.0.2 allows remote attackers to execute arbitrary commands via […]

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FreeBSD 13 — ansible — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ansible — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ansible – Vault password leak from temporary file Related CVEs: CVE-2013-2233 CVE-2013-4259 CVE-2013-4260 CVE-2014-4678 CVE-2014-4966 CVE-2015-3908 CVE-2015-6240 CVE-2016-3096  +5 more Upstream summary: Borja Tarraso reports: A flaw was found in […]

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AlmaLinux 8 — lm_sensors — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — lm_sensors — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4353 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Configure Apache Virtual Hosts on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Apache Virtual Hosts on FreeBSD 13

Introduction How to Configure Apache Virtual Hosts on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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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Common Problems 121689

Debian 9 Firewall Rules Block Required Service Ports

🟠 High   ⏱ 5–30 min  Last verified: 7 January 2022 Affected versions: Debian 9 📖 ~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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Debian 11 — haskell-xml-conduit — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — haskell-xml-conduit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-4249 Upstream summary: A vulnerability was found in xml-conduit. It has been classified as problematic. Affected is an unknown function of the file xml-conduit/src/Text/XML/Stream/Parse.hs of the component DOCTYPE […]

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Debian 11 — zip — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — zip — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1010 CVE-2018-13410 Upstream summary: Buffer overflow in Info-Zip 2.3 and possibly earlier versions, when using recursive folder compression, allows remote attackers to execute arbitrary code via a ZIP […]

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AlmaLinux 8 — libgcrypt — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libgcrypt — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:5311 Related CVEs: CVE-2021-40528 CVE-2021-33560 Upstream summary: The libgcrypt library provides general-purpose implementations of various cryptographic algorithms. Security Fix(es): * libgcrypt: ElGamal implementation allows plaintext recovery (CVE-2021-40528) For more details about the […]

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