Linux

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 14 January 2024 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-32325 CVE-2023-27781 Upstream summary: JPEGOPTIM v1.4.7 was discovered to contain a segmentation violation which is caused by a READ memory access at jpegoptim.c. Table of contents Symptom & […]

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Debian 12 — mailutils — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mailutils — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0984 CVE-2005-1520 CVE-2005-1521 CVE-2005-1522 CVE-2005-1523 CVE-2005-1824 CVE-2005-2878 CVE-2019-18862 Upstream summary: Unknown vulnerability in the dotlock implementation in mailutils before 1:0.5-4 on Debian GNU/Linux allows attackers to gain privileges. […]

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

Debian 12 — tcptraceroute — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0489 Upstream summary: tcptraceroute 1.4 and earlier does not fully drop privileges after obtaining a file descriptor for capturing packets, which may allow local users to gain access […]

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How to Set Up Podman Compose on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Podman Compose on Debian 12

Introduction Deploying set up podman compose 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 Before you […]

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SLES 12 — python-cffi — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — python-cffi — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 January 2024 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:1458-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-23931 Upstream summary: cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. In affected versions `Cipher.update_into` would accept Python objects […]

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Oracle Linux 8 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2023-1787)

🟠 High   ⏱ 15–60 min  Last verified: 14 January 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-1787 Related CVEs: CVE-2023-1945 CVE-2023-29539 CVE-2023-29548 CVE-2023-29541 CVE-2023-29533 CVE-2023-29535 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Alpine Linux 3.18 — qt5-qtbase — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — qt5-qtbase — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 5.15.9_git20230505-r0 📖 ~4 min read  •  Source: Alpine secdb entry — qt5-qtbase 5.15.9_git20230505-r0 Related CVEs: CVE-2023-32762 CVE-2023-32763 CVE-2020-17507 Upstream summary: Alpine community repository for vv3.18 ships qt5-qtbase 5.15.9_git20230505-r0 which addresses CVE-2023-32762. Table of contents Symptom & […]

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Oracle Linux 8 — postgresql:10 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — postgresql:10 — vulnerability — patch and remediation guide (ELSA-2023-7790)

🟠 High   ⏱ 15–60 min  Last verified: 14 January 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7790 Related CVEs: CVE-2023-5869 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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How to Set the Hostname and FQDN on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set the Hostname and FQDN on Debian 12

Introduction How to Set the Hostname and FQDN on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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AlmaLinux 8 — python3.11-cryptography — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python3.11-cryptography — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:3105 Related CVEs: CVE-2023-49083 Upstream summary: The python-cryptography packages contain a Python Cryptographic Authority's (PyCA's) cryptography library, which provides cryptographic primitives and recipes to Python developers. Security Fix(es): * python-cryptography: NULL-dereference when […]

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