Linux

AlmaLinux 8 — mozilla-filesystem — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — mozilla-filesystem — 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-2022:1927 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 Set Up Bash Aliases and Environment Variables on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Bash Aliases and Environment Variables on Debian 11

Introduction Deploying set up bash aliases and environment variables on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. […]

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AlmaLinux 8 — gstreamer1-plugins-ugly-free — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gstreamer1-plugins-ugly-free — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2020:1631 Related CVEs: CVE-2018-7263 Upstream summary: The GStreamer library provides a streaming media framework based on graphs of media data filters. The libmad package is an MPEG audio decoder capable of 24-bit […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 3 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1158 CVE-2002-1159 Upstream summary: Buffer overflow in the irw_through function for Canna 3.5b2 and earlier allows local users to execute arbitrary code as the bin user. Table of […]

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Debian 11 — mqtt-client — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mqtt-client — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-0222 Upstream summary: In Apache ActiveMQ 5.0.0 – 5.15.8, unmarshalling corrupt MQTT frame can lead to broker Out of Memory exception making it unresponsive. Table of contents Symptom […]

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

Debian 11 — python-keyring — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-4571 CVE-2012-5577 CVE-2012-5578 Upstream summary: Python Keyring 0.9.1 does not securely initialize the cipher when encrypting passwords for CryptedFileKeyring files, which makes it easier for local users to […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 3 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-3900 CVE-2012-2132 CVE-2014-3566 Upstream summary: Midori before 0.2.5, when WebKitGTK+ before 1.1.14 or LibSoup before 2.29.91 is used, does not verify X.509 certificates, which allows man-in-the-middle attackers to […]

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Debian 11 — evince — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — evince — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-5864 CVE-2010-2640 CVE-2010-2641 CVE-2010-2642 CVE-2010-2643 CVE-2011-0433 CVE-2011-5244 CVE-2013-3718  +6 more Upstream summary: Stack-based buffer overflow in the ps_gettext function in ps.c for GNU gv 3.6.2, and possibly earlier […]

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Debian 11 — sssd — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — sssd — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-0014 CVE-2010-2940 CVE-2010-4341 CVE-2012-3462 CVE-2013-0219 CVE-2013-0220 CVE-2014-0249 CVE-2015-5292  +9 more Upstream summary: System Security Services Daemon (SSSD) before 1.0.1, when the krb5 auth_provider is configured but the KDC […]

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SLES 15 — python2-Pygments — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python2-Pygments — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 February 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:3814-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-27291 CVE-2021-20270 Upstream summary: In pygments 1.1+, fixed in 2.7.4, the lexers used to parse programming languages rely heavily on regular expressions. Some of the […]

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