Apache HTTP Server Vulnerability Exposes Millions to Remote Code Execution Threats - gbhackers.com

CVE/vulnerabilityCyber Security NewsVulnerability 2 min.Read Apache HTTP Server Vulnerability Exposes Millions to Remote Code Execution Threats By Divya May 5, 2026 Share Facebook Twitter Pinterest WhatsApp The Apache Software Foundation has released an urgent security update for the Apache HTTP Server to patch a severe vulnerability. Tracked as CVE-2026-23918, this flaw could allow attackers to execute malicious code remotely on affected web servers, putting millions of websites at risk. Understanding the Vulnerability The newly discovered security flaw is classified as a “double free” vulnerability. It specifically affects how the server handles the HTTP/2 protocol. When a specific “early reset” command is sent through HTTP/2, the server’s memory management system gets confused and attempts to free the same block of memory twice. This type of memory corruption is highly dangerous. In the best-case scenario, an attacker exploiting this bug will cause the web server to crash, leading to a Denial-of-Service (DoS) attack and taking websites offline. However, the Apache security team warns that this flaw can also lead to Remote Code Execution (RCE). If successfully exploited, hackers could run their own malicious commands on the server. This could allow them to take full control of the system, steal sensitive data, or deploy ransomware into the network. The Apache security team has rated the impact of this vulnerability as “Important.” Because the Apache HTTP Server is one of the most widely used web servers worldwide, its attack surface is massive. The flaw specifically affects Apache HTTP Server version 2.4.66. If your web environment is running this exact version and has the HTTP/2 protocol enabled, your systems are currently vulnerable to this exploit. This critical vulnerability was discovered by cybersecurity researchers Bartlomiej Dmitruk from striga.ai and Stanislaw Strzalkowski from isec.pl. They privately reported the issue to the Apache security team on December 10, 2025. The development team identified and applied a fix in their source code the very next day. However, the official patch was just rolled out to the public in the latest software update, version 2.4.67, released on May 4, 2026. Mitigation and Immediate Actions To protect server infrastructure from potential cyberattacks, administrators must take immediate action to secure their environments. Update your Apache HTTP Server to version 2.4.67 immediately to apply the security patch. Check your server access and error logs for any unusual HTTP/2 traffic patterns or unexpected server crashes, which could indicate an attempted exploit. Temporarily turn off the HTTP/2 protocol as a stopgap measure if you are absolutely unable to apply the patch right away. Review your network security configurations to ensure defense-in-depth measures are active across your web infrastructure. Staying ahead of zero-day threats and newly disclosed CVEs is critical in today’s threat landscape. Keeping web-facing servers up to date remains the most effective defense against remote code execution attacks. Follow us on Google News, LinkedIn, and X to Get Instant Updates and Set GBH as a Preferred Source in Google. Tags cyber security Cyber Security News Vulnerability Divya Divya is a Senior Journalist at GBhackers covering Cyber Attacks, Threats, Breaches, Vulnerabilities and other happenings in the cyber world. Hot this week Infosec- Resources How To Access Dark Web Anonymously and know its Secretive and Mysterious Activities June 4, 2023 1 What is Deep Web The deep web, invisible web, or... 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