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Debian 12 — rtl-433 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rtl-433 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 November 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-25050 CVE-2022-25051 CVE-2022-27419 CVE-2025-34450 Upstream summary: rtl_433 21.12 was discovered to contain a stack overflow in the function somfy_iohc_decode(). This vulnerability allows attackers to cause a Denial of […]

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Ubuntu 20.04 — pam-u2f — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pam-u2f — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 November 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7806-1 Related CVEs: CVE-2025-23013 Upstream summary: It was discovered that PAM/U2F could allow for authentication bypass in some configurations. An attacker could possibly use this issue to execute arbitrary code […]

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Ubuntu 20.04 — libreoffice — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libreoffice — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 November 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7504-1 Related CVEs: CVE-2025-2866 CVE-2025-1080 CVE-2024-12425 CVE-2024-12426 CVE-2024-7788 CVE-2024-6472 CVE-2024-3044 CVE-2023-6185  +12 more Upstream summary: Juraj Šarinay discovered that LibreOffice incorrectly handled verifying PDF signatures. A remote attacker could possibly […]

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NetBSD 9.4 — konsole — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — konsole — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-49091 Upstream summary: pkgsrc audit-packages flagged konsole<23.08.4nb10 for vulnerability class 'remote-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-49091 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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SLES 16 — libXtst6 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libXtst6 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 November 2025 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:1103-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-2063 Upstream summary: Integer overflow in X.org libXtst 1.2.1 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via […]

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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-2025-16260)

🟠 High   ⏱ 15–60 min  Last verified: 30 November 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-16260 Related CVEs: CVE-2025-10527 CVE-2025-10528 CVE-2025-10529 CVE-2025-10532 CVE-2025-10533 CVE-2025-10536 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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CentOS Stream 9 — krb5 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — krb5 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 November 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:9474 Related CVEs: CVE-2024-3596 CVE-2022-42898 CVE-2025-3576 CVE-2025-24528 CVE-2024-26458 CVE-2024-26461 CVE-2024-26462 CVE-2024-37370  +4 more Upstream summary: Kerberos is a network authentication system, which can improve the security of your network by eliminating […]

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CentOS Stream 10 — qt6-qtquick3d — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — qt6-qtquick3d — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 November 2025 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:22361 Related CVEs: CVE-2025-11277 Upstream summary: The Qt 6 Quick3D library. Security Fix(es): * assimp: Open Asset Import Library Assimp Q3DLoader.cpp InternReadFile heap-based overflow (CVE-2025-11277) For more details about the security […]

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Debian 13 — golang-1.24 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — golang-1.24 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-45336 CVE-2024-45340 CVE-2024-45341 CVE-2024-8244 CVE-2025-22865 CVE-2025-22866 CVE-2025-22870 CVE-2025-22871  +12 more Upstream summary: The HTTP client drops sensitive headers after following a cross-domain redirect. For example, a request to […]

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Common Problems 114045

RHEL 10 – rsyslog stops forwarding logs to SIEM after TLS certificate renewal

🟠 High   ⏱ 5–30 min  Last verified: 29 November 2025 Affected versions: RHEL 10 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 & […]

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