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FreeBSD 13 — py38-markdown — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py38-markdown — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-markdown2 — regular expression denial of service vulnerability Related CVEs: CVE-2020-11888 CVE-2021-26813 Upstream summary: Ben Caller reports: markdown2 >=1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of […]

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FreeBSD 12 — prosody — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — prosody — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 November 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Prosody XMPP server advisory 2026-04-29 Related CVEs: CVE-2016-0756 CVE-2016-1231 CVE-2016-1232 CVE-2021-32917 CVE-2021-32918 CVE-2021-32919 CVE-2021-32920 CVE-2021-32921  +6 more Upstream summary: The Prosody team reports: Traffic patterns were discovered which can cause […]

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FreeBSD 13 — mod_pagespeed — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mod_pagespeed — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_pagespeed — critical cross-site scripting (XSS) vulnerability Related CVEs: CVE-2012-4001 CVE-2012-4360 CVE-2013-6111 Upstream summary: mod_pagespeed developers report: Various versions of mod_pagespeed are subject to critical cross-site scripting (XSS) vulnerability, CVE-2013-6111. […]

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FreeBSD 13 — ko-unzip — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ko-unzip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: unzip — permission race vulnerability Related CVEs: CVE-2005-2475 Upstream summary: Imran Ghory reports a vulnerability within unzip. The vulnerability is caused by a race condition between extracting an archive and […]

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

AlmaLinux 8 — autogen — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2020:4672 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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Debian 11 — halibut — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-42612 CVE-2021-42613 CVE-2021-42614 Upstream summary: A use after free in cleanup_index in index.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have other […]

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How to Configure Docker Networking on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Docker Networking on FreeBSD 13

Introduction Deploying configure docker networking on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base […]

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

Debian 11 — msmtp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-8337 Upstream summary: In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked. Table of contents Symptom & Impact Environment […]

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

Debian 11 — libquazip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1002209 Upstream summary: QuaZIP before 0.7.6 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive […]

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Alpine Linux edge — perl-net-netmask — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — perl-net-netmask — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.0000-r0 📖 ~4 min read  •  Source: Alpine secdb entry — perl-net-netmask 2.0000-r0 Related CVEs: CVE-2021-29424 Upstream summary: Alpine community repository for vedge ships perl-net-netmask 2.0000-r0 which addresses CVE-2021-29424. Table of contents Symptom & Impact Environment […]

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