Linux

Debian 12 — libxdmcp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libxdmcp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 April 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-2625 Upstream summary: It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could […]

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openSUSE Tumbleweed — deepin-reader — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — deepin-reader — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2023-50254 Upstream summary: Deepin Linux's default document reader `deepin-reader` software suffers from a serious vulnerability in versions prior to 6.0.7 due to a design flaw […]

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Ubuntu 20.04 — python-asyncssh — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-asyncssh — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 April 2024 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7108-1 Related CVEs: CVE-2023-46445 CVE-2023-46446 CVE-2023-48795 Upstream summary: Fabian Bäumer, Marcus Brinkmann, and Jörg Schwenk discovered that AsyncSSH did not properly handle the extension info message. An attacker able to […]

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Alpine Linux 3.19 — transmission — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — transmission — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.00-r0 📖 ~4 min read  •  Source: Alpine secdb entry — transmission 3.00-r0 Related CVEs: CVE-2018-10756 Upstream summary: Alpine community repository for vv3.19 ships transmission 3.00-r0 which addresses CVE-2018-10756. Table of contents Symptom & Impact Environment […]

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Alpine Linux 3.19 — cabextract — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — cabextract — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.8-r0 📖 ~4 min read  •  Source: Alpine secdb entry — cabextract 1.8-r0 Related CVEs: CVE-2018-18584 Upstream summary: Alpine community repository for vv3.19 ships cabextract 1.8-r0 which addresses CVE-2018-18584. Table of contents Symptom & Impact Environment […]

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Ubuntu 22.04 — mosquitto — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — mosquitto — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 April 2024 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7441-1 Related CVEs: CVE-2024-10525 CVE-2024-3935 CVE-2021-34431 CVE-2021-34434 CVE-2021-41039 CVE-2023-0809 CVE-2023-28366 CVE-2023-3592 Upstream summary: It was discovered that Eclipse Mosquitto client incorrectly handled memory when receiving a SUBACK packet. An attacker […]

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Alpine Linux 3.19 — tcpdump — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — tcpdump — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 4.9.3-r1 📖 ~4 min read  •  Source: Alpine secdb entry — tcpdump 4.9.3-r1 Related CVEs: CVE-2020-8037 CVE-2017-16808 CVE-2018-14468 CVE-2018-14469 CVE-2018-14470 CVE-2018-14466 CVE-2018-14461 CVE-2018-14462  +12 more Upstream summary: Alpine main repository for vv3.19 ships tcpdump 4.9.3-r1 which […]

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How to Set Up a Load-Balanced PostgreSQL Cluster with Patroni on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up a Load-Balanced PostgreSQL Cluster with Patroni on RHEL 9

PostgreSQL does not include built-in primary election or automatic failover — that is where Patroni comes in. Patroni is a Python-based template for HA PostgreSQL using a distributed configuration store (DCS) such as etcd to coordinate which node is the primary at any given time. When the primary fails, Patroni automatically elects a new primary […]

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Ubuntu 16.04 — libwebp — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libwebp — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 April 2024 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6078-2 Related CVEs: CVE-2023-1999 CVE-2018-25009 CVE-2018-25010 CVE-2018-25011 CVE-2018-25012 CVE-2018-25013 CVE-2018-25014 CVE-2020-36328  +3 more Upstream summary: USN-6078-1 fixed a vulnerability in libwebp. This update provides the corresponding update for Ubuntu 16.04 […]

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Alpine Linux 3.19 — libtasn1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — libtasn1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 4.20.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libtasn1 4.20.0-r0 Related CVEs: CVE-2024-12133 CVE-2021-46848 CVE-2018-1000654 CVE-2018-6003 CVE-2017-10790 Upstream summary: Alpine main repository for vv3.19 ships libtasn1 4.20.0-r0 which addresses CVE-2024-12133. Table of contents […]

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