Linux

Ubuntu 18.04 — dropbear — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — dropbear — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 August 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7292-1 Related CVEs: CVE-2021-36369 CVE-2023-48795 Upstream summary: Manfred Kaiser discovered that Dropbear through 2020.81 does not properly check the available authentication methods in the client-side SSH code. An attacker could […]

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openSUSE Leap 15.5 — rmail — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — rmail — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:0742-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-51765 Upstream summary: sendmail through 8.17.2 allows SMTP smuggling in certain configurations. Remote attackers can use a published exploitation technique to inject e-mail messages […]

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Ubuntu 22.04 — pysha3 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — pysha3 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 August 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6525-1 Related CVEs: CVE-2022-37454 Upstream summary: Nicky Mouha discovered that pysha incorrectly handled certain SHA-3 operations. An attacker could possibly use this issue to cause pysha3 to crash, resulting in […]

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Alpine Linux 3.18 — fuse3 — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — fuse3 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 3.2.5-r0 📖 ~4 min read  •  Source: Alpine secdb entry — fuse3 3.2.5-r0 Related CVEs: CVE-2018-10906 Upstream summary: Alpine main repository for vv3.18 ships fuse3 3.2.5-r0 which addresses CVE-2018-10906. Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — gnupg2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — gnupg2 — vulnerability — patch and remediation guide (ELSA-2022-6602)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6602 Related CVEs: CVE-2022-34903 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Oracle Linux 9 — qemu-kvm — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — qemu-kvm — vulnerability — patch and remediation guide (ELSA-2024-2135)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2135 Related CVEs: CVE-2023-5088 CVE-2023-6683 CVE-2023-42467 CVE-2023-3019 CVE-2023-3255 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Alpine Linux 3.18 — xwayland — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — xwayland — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 23.1.2-r1 📖 ~4 min read  •  Source: Alpine secdb entry — xwayland 23.1.2-r1 Related CVEs: CVE-2023-5367 CVE-2023-0494 CVE-2022-4283 CVE-2022-46340 CVE-2022-46341 CVE-2022-46342 CVE-2022-46343 CVE-2022-46344  +5 more Upstream summary: Alpine community repository for vv3.18 ships xwayland 23.1.2-r1 which […]

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openSUSE Leap 15.5 — google-oauth-java-client — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — google-oauth-java-client — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:0806-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-22573 Upstream summary: The vulnerability is that IDToken verifier does not verify if token is properly signed. Signature verification makes sure that the token's […]

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How to Configure PostgreSQL Remote Access on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure PostgreSQL Remote Access on Debian 12

Introduction Deploying configure postgresql remote access on debian 12 on a Debian 12 Bookworm 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. Prerequisites You will […]

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AlmaLinux 9 — pki-core — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — pki-core — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:4165 Related CVEs: CVE-2023-4727 CVE-2022-2414 CVE-2022-2393 Upstream summary: The Public Key Infrastructure (PKI) Core contains fundamental packages required by AlmaLinux Certificate System. Security Fix(es): * dogtag ca: token authentication bypass vulnerability (CVE-2023-4727) […]

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