November 2021 - Page 59 of 66

FreeBSD 13 — php70-mbstring — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php70-mbstring — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: oniguruma — multiple vulnerabilities Related CVEs: CVE-2015-8874 CVE-2016-5766 CVE-2016-5767 CVE-2016-5768 CVE-2016-5769 CVE-2016-5770 CVE-2016-5771 CVE-2016-5772  +5 more Upstream summary: the PHP project reports: A stack out-of-bounds read occurs in match_at() during […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: vnc — authentication bypass vulnerability Upstream summary: RealVNC is susceptible to an authentication-bypass vulnerability. A malicious VNC client can cause a VNC server to allow it to connect without any […]

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Debian 11 — allegro4.4 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — allegro4.4 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-36489 Upstream summary: Buffer Overflow vulnerability in Allegro through 5.2.6 allows attackers to cause a denial of service via crafted PCX/TGA/BMP files to allegro_image addon. Table of contents […]

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Debian 11 — tinc — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tinc — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2001-1505 CVE-2002-1755 CVE-2013-1428 CVE-2018-16737 CVE-2018-16738 CVE-2018-16758 Upstream summary: tinc 1.0pre3 and 1.0pre4 allows remote attackers to inject data into user sessions by sniffing and replaying packets. Table of […]

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Understanding Order of Operations in Programming — step-by-step DevOps tutorial on Progressive Robot

Understanding Order of Operations in Programming

It’s easy to take the order of operations for granted, because higher-level languages handle that for you. In this tutorial, we’ll look at how that works at a lower level, and derive an algorithm for processing mathematical expressions in postfix notation.

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How to Install Symfony on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Symfony on RHEL 8

Symfony is a mature, enterprise-grade PHP framework and a collection of reusable components that power many of the world’s largest PHP applications, including Drupal and parts of Laravel itself. It emphasises strict standards, comprehensive testing support, and long-term support releases that align well with RHEL 8’s stability-first philosophy. This tutorial covers installing the Symfony CLI […]

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Debian 11 — miller — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — miller — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-15167 Upstream summary: In Miller (command line utility) using the configuration file support introduced in version 5.9.0, it is possible for an attacker to cause Miller to run […]

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Debian 11 — ruby-mixlib-archive — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-mixlib-archive — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000026 Upstream summary: Chef Software's mixlib-archive versions 0.3.0 and older are vulnerable to a directory traversal attack allowing attackers to overwrite arbitrary files by using ".." in tar […]

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Debian 11 — csound — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — csound — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5986 CVE-2012-0270 CVE-2012-2106 CVE-2012-2107 CVE-2012-2108 Upstream summary: Untrusted search path vulnerability in the (1) "VST plugin with Python scripting" and (2) "VST plugin for writing score generators in […]

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