Package Management

FreeBSD 12 — py37-flask-caching — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py37-flask-caching — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 July 2022 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-flask-caching — remote code execution or local privilege escalation vulnerabilities Related CVEs: CVE-2021-33026 Upstream summary: subnix reports: The Flask-Caching extension through 2.0.2 for Flask relies on Pickle for serialization, which […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 22.1.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-treq 22.1.0-r0 Related CVEs: CVE-2022-23607 Upstream summary: Alpine community repository for vedge ships py3-treq 22.1.0-r0 which addresses CVE-2022-23607. Table of contents Symptom & Impact Environment […]

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How to Harden Shared Memory on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Harden Shared Memory on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up harden shared memory on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully and the […]

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Debian 11 — rkhunter — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rkhunter — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-1270 CVE-2008-4982 CVE-2017-7480 Upstream summary: The (1) check_update.sh and (2) rkhunter script in Rootkit Hunter before 1.2.3-r1 create temporary files with predictable file names, which allows local users […]

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

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2022-0130)

🟠 High   ⏱ 15–60 min  Last verified: 8 July 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0130 Related CVEs: CVE-2022-22747 CVE-2022-22737 CVE-2022-22751 CVE-2021-4140 CVE-2022-22740 CVE-2022-22739 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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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-2021-9420)

🟠 High   ⏱ 15–60 min  Last verified: 8 July 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9420 Related CVEs: CVE-2021-3656 CVE-2021-3653 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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Arch Linux — nginx — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — nginx — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201707-11 Related CVEs: CVE-2017-7529 CVE-2016-1247 CVE-2021-23017 CVE-2019-9516 CVE-2019-9513 CVE-2019-9511 Upstream summary: Type: information disclosure. Status: Fixed. Affected: 1.12.0-2. Fixed in: 1.12.1-1. Group: AVG-345. Table of contents Symptom & Impact Environment […]

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FreeBSD 13 — mysql56-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mysql56-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 July 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL — Multiple vulnerabilities Related CVEs: CVE-2015-4792 CVE-2015-4802 CVE-2015-4807 CVE-2015-4815 CVE-2015-4826 CVE-2015-4830 CVE-2015-4836 CVE-2015-4858  +12 more Upstream summary: Oracle reports: This Critical Patch Update contains 34 new security patches for […]

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

AlmaLinux 8 — patch — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2020:1852 Related CVEs: CVE-2019-13636 Upstream summary: The patch program applies diff files to originals. The diff command is used to compare an original to a changed file. Diff lists the changes made […]

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FreeBSD 13 — privoxy — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — privoxy — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 July 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: privoxy — multiple vulnerabilities Related CVEs: CVE-2013-2503 CVE-2015-1030 CVE-2015-1031 CVE-2015-1201 CVE-2015-1380 CVE-2015-1381 CVE-2015-1382 CVE-2016-1982  +1 more Upstream summary: Privoxy Developers reports: Prevent invalid reads in case of corrupt chunk-encoded content. […]

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