Critical Python-APT Security Update: Mitigating CVE-2025-6966 Denial-of-Service Vulnerability on Ubuntu 20.04 LTS

 

Urgent Ubuntu 20.04 LTS security advisory: Comprehensive guide to patching the python-apt regression (USN-7916-2) fixing CVE-2025-6966, a critical denial-of-service vulnerability affecting libapt-pkg Python interface. Learn update commands, vulnerability analysis, and enterprise mitigation strategies for DevOps and sysadmins.

O Ubuntu 20.04.1 LTS é lançado com as últimas correções

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O Ubuntu 20.04.3 LTS foi lançado com correções, pilha de ativação de hardware mais recente

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Atualização de segurança do Ubuntu para corrigir as vulnerabilidades do QEMU, aviso Ubuntu 4467-1

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Atualização de segurança do Ubuntu para corrigir a vulnerabilidade no Bind, aviso Ubuntu 4468-1

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É provável que o Ubuntu 20.04 LTS seja lançado com o Kernel Linux 5.4 em vez de 5.5

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O Ubuntu 20.04.2 LTS foi lançado com nova pilha HWE para o hardware / gráficos melhores

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Critical Security Alert: Sidekiq XSS & DoS Vulnerabilities in Ubuntu LTS (USN-7695-1)

 

Critical XSS & DoS vulnerabilities in Sidekiq affect Ubuntu 18.04/20.04/22.04 LTS (CVE-2021-30151, CVE-2022-23837). Learn patch instructions, exploit impacts, and Ubuntu Pro updates. Secure Ruby background processing now—full USN-7695-1 analysis.

O Mesa 21.0, Kernel Linux 5.11 está se preparado para as atualizações do Ubuntu 20.04 LTS

 

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Critical Security Alert: Understanding & Mitigating the libheif Denial of Service Vulnerabilities (USN-7952-1)

 

Critical libheif vulnerabilities (CVE-2024-25269 & CVE-2025-68431) pose severe denial-of-service & code execution risks across Ubuntu 18.04 to 25.10. Our in-depth analysis provides patch instructions, exploit details, and proactive security hardening for enterprise Linux systems. Learn how to protect your infrastructure now.

Critical Apport Vulnerability in Ubuntu: Patch Guide & Security Implications

 

Critical Apport vulnerability in Ubuntu 16.04–25.04 allows data leaks. Learn how to patch USN-7545-3, secure crash reports, and prevent exploits. Full update guide + security analysis

As melhorias do ZFS / Zsys já estão em andamento para o Ubuntu 20.04 LTS

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Ubuntu 20.04 BIND Security Patch: Mitigate Critical DoS and Cache Poisoning Vulnerabilities (CVE-2025-40778)

 

Urgent Ubuntu 20.04 LTS security advisory. Learn how to patch critical BIND DNS vulnerabilities CVE-2025-40778, CVE-2025-40780, and CVE-2025-8677 to prevent denial-of-service and cache poisoning attacks. Step-by-step update guide for system administrators. 

O Ubuntu 20.04 LTS codinome The Focal Fossa, está chegando em 23 de abril

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O Ubuntu Server 20.04 LTS se aposenta seu antigo instalador Debian para se concentrar na subiquidade

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Atualização de segurança do Ubuntu para corrigir as vulnerabilidades no curl, aviso Ubuntu 4402-1

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Critical SHA.js Vulnerability (CVE-2025-9288): Complete Guide to Mitigating Denial-of-Service Risks on Ubuntu

 

Critical security vulnerability CVE-2025-9288 affects sha.js in Ubuntu 18.04 LTS to 25.04, leading to denial-of-service (DoS) attacks & hash collisions. Learn the impacted package versions, update instructions for Ubuntu Pro & standard systems, and how to mitigate this cryptographic risk. 

Critical Poppler Vulnerability (CVE-2025-52885): A Guide to Mitigating DoS Risks in Ubuntu Systems

 

Critical CVE-2025-52885 vulnerability in poppler PDF library exposes Ubuntu 20.04 to 25.10 to Denial of Service (DoS) risks. Learn the affected packages, update instructions, and how to secure your Linux systems against this PDF-based threat.

Critical Qt Vulnerability in Ubuntu LTS: Analysis, Impact, and Patching Guide for CVE-2024-25580

 

Critical Qt security flaw CVE-2024-25580 affects Ubuntu 22.04 LTS & 20.04 LTS, allowing denial-of-service or arbitrary code execution. Learn patch details, update instructions for libqt5core5a & libqt5gui5, and enterprise mitigation strategies. Official Ubuntu Pro security notice USN-7923-1.

Critical FFmpeg Buffer Overflow Vulnerability (CVE-2025-1594): patching Guide for Ubuntu Systems

 

Critical Ubuntu security alert: Learn about the FFmpeg buffer overflow vulnerability (CVE-2025-1594) affecting all supported LTS releases. Our guide provides patching instructions, exploit details, and how to secure your Linux systems against this denial-of-service threat.