Linux

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

Debian 11 — postgis — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-18359 Upstream summary: PostGIS 2.x before 2.3.3, as used with PostgreSQL, allows remote attackers to cause a denial of service via crafted ST_AsX3D function input, as demonstrated by […]

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Debian 11 — libwebp — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libwebp — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-5127 CVE-2016-9085 CVE-2016-9969 CVE-2018-25009 CVE-2018-25010 CVE-2018-25011 CVE-2018-25012 CVE-2018-25013  +8 more Upstream summary: Integer overflow in Google Chrome before 23.0.1271.64 allows remote attackers to cause a denial of service […]

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Debian 11 — ruby-rack-ssl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-rack-ssl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-2538 Upstream summary: Cross-site scripting (XSS) vulnerability in lib/rack/ssl.rb in the rack-ssl gem before 1.4.0 for Ruby allows remote attackers to inject arbitrary web script or HTML via […]

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How to Configure LVM on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure LVM on RHEL 8

Logical Volume Manager (LVM) is a flexible disk management system that allows you to create, resize, and manage storage volumes on RHEL 8 without the limitations of traditional partitioning. By abstracting physical disks into logical volumes, LVM lets you grow or shrink filesystems on the fly, take point-in-time snapshots, and pool multiple disks into a […]

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Ubuntu 20.04 — brotli — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — brotli — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 August 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4568-1 Related CVEs: CVE-2020-8927 Upstream summary: It was discovered that Brotli incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash. Table of contents Symptom […]

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

AlmaLinux 8 — flac — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:5046 Related CVEs: CVE-2020-22219 Upstream summary: FLAC stands for Free Lossless Audio Codec. FLAC is similar to Ogg Vorbis, but lossless. The FLAC project consists of the stream format, reference encoders and […]

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Ubuntu 20.04 — zeromq3 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — zeromq3 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 August 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4920-1 Related CVEs: CVE-2019-13132 CVE-2020-15166 CVE-2021-20234 CVE-2021-20235 CVE-2021-20237 Upstream summary: It was discovered that ZeroMQ incorrectly handled certain application metadata. A remote attacker could use this issue to cause ZeroMQ […]

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Ubuntu 14.04 — libpano13 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libpano13 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 August 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6163-1 Related CVEs: CVE-2021-20307 CVE-2021-33293 Upstream summary: It was discovered that pano13 did not properly validate the prefix provided for PTcrop's output. An attacker could use this issue to cause […]

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SLES 15 — golang-github-prometheus-node_exporter — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — golang-github-prometheus-node_exporter — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 August 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:2149-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-20180 CVE-2021-20191 CVE-2021-20228 CVE-2021-3447 CVE-2021-3583 CVE-2021-3620 Upstream summary: A flaw was found in ansible module where credentials are disclosed in the console log by default […]

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