August 2021 - Page 48 of 65

FreeBSD 13 — php5-session — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php5-session — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2007-0905 CVE-2007-0906 CVE-2007-0907 CVE-2007-0908 CVE-2007-0909 CVE-2007-0910 CVE-2007-0988 CVE-2007-1001 Upstream summary: The PHP development team reports: Security Enhancements and Fixes in PHP 5.2.2 and PHP […]

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FreeBSD 13 — mosquitto — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mosquitto — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mosquitto — NULL pointer dereference Upstream summary: Roger Light reports: If an authenticated client connected with MQTT v5 sent a malformed CONNACK message to the broker a NULL pointer dereference […]

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

AlmaLinux 8 — policycoreutils — 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-2022:2068 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 Use Joins in SQL — step-by-step DevOps tutorial on Progressive Robot

How To Use Joins in SQL

Many database designs separate information into different tables based on how certain data points relate to one another. Even in cases like this, it’s likely that there will be times when someone will want to retrieve information from more than one table at a time. A common way of accessing data from multiple tables in a single SQL operation is to combine the tables with a JOIN clause. This guide outlines how to retrieve data from multiple tables by joining them together.

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Alpine Linux edge — py3-rencode — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — py3-rencode — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.0.6-r7 📖 ~4 min read  •  Source: Alpine secdb entry — py3-rencode 1.0.6-r7 Related CVEs: CVE-2021-40839 Upstream summary: Alpine community repository for vedge ships py3-rencode 1.0.6-r7 which addresses CVE-2021-40839. Table of contents Symptom & Impact Environment […]

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FreeBSD 13 — libmms — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libmms — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libmms — stack-based buffer overflow Related CVEs: CVE-2006-2200 Upstream summary: Mitre CVE reports: Stack-based buffer overflow in libmms, as used by (a) MiMMS 0.0.9 and (b) xine-lib 1.1.0 and earlier, […]

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

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2021-9362)

🟠 High   ⏱ 15–60 min  Last verified: 9 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9362 Related CVEs: CVE-2021-23133 CVE-2020-25671 CVE-2021-33033 CVE-2020-25670 CVE-2021-32399 CVE-2020-25672 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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