Linux

Debian 13 — ruby-rack-cors — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ruby-rack-cors — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-11173 CVE-2019-18978 Upstream summary: Missing anchor in generated regex for rack-cors before 0.4.1 allows a malicious third-party site to perform CORS requests. If the configuration were intended to […]

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Debian 13 — bouncycastle — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — bouncycastle — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-6721 CVE-2011-3389 CVE-2013-0169 CVE-2013-1624 CVE-2015-6644 CVE-2015-7940 CVE-2016-1000338 CVE-2016-1000339  +12 more Upstream summary: The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto […]

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Debian 13 — ruby-nokogiri — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ruby-nokogiri — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-6685 CVE-2019-5477 CVE-2020-26247 CVE-2022-23476 CVE-2022-24836 CVE-2022-29181 Upstream summary: Nokogiri before 1.5.4 is vulnerable to XXE attacks Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Debian 13 — udns — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — udns — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-1447 Upstream summary: The DNS protocol, as implemented in (1) BIND 8 and 9 before 9.5.0-P1, 9.4.2-P1, and 9.3.5-P1; (2) Microsoft DNS in Windows 2000 SP4, XP SP2 […]

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How to Install OpenTofu on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install OpenTofu on Debian 13

Introduction This guide explains how to Install OpenTofu on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with the standard repositories […]

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SLES 12 — screen — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — screen — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 September 2025 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:0491-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-26937 CVE-2025-46802 CVE-2015-6806 Upstream summary: encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application […]

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Oracle Linux 9 — webkit2gtk3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — webkit2gtk3 — vulnerability — patch and remediation guide (ELSA-2025-2864)

🟠 High   ⏱ 15–60 min  Last verified: 13 September 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-2864 Related CVEs: CVE-2025-24201 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 10 — libssh — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — libssh — vulnerability — patch and remediation guide (ELSA-2025-18231)

🟡 Medium   ⏱ 10–30 min  Last verified: 13 September 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-18231 Related CVEs: CVE-2025-5318 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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Common Problems 113909

RHEL 10 – dnf transaction blocked by GPG signature verification failure – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 13 September 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related […]

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openSUSE Tumbleweed — package — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — package — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:1415-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-1949 CVE-2021-45341 CVE-2025-54141 CVE-2025-4435 CVE-2025-2487 CVE-2024-0775 CVE-2024-35817 CVE-2024-36921  +12 more Upstream summary: An access control bypass vulnerability found in 389-ds-base. That mishandling of the filter […]

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