{"id":4323,"date":"2025-04-08T17:14:26","date_gmt":"2025-04-09T01:14:26","guid":{"rendered":"https:\/\/www.antivirusaz.com\/faq\/?post_type=ht_kb&#038;p=4323"},"modified":"2025-04-08T17:14:26","modified_gmt":"2025-04-09T01:14:26","slug":"what-is-a-buffer-overflow-vulnerability","status":"publish","type":"ht_kb","link":"https:\/\/www.antivirusaz.com\/faq\/art\/what-is-a-buffer-overflow-vulnerability\/","title":{"rendered":"What is a buffer overflow vulnerability?"},"content":{"rendered":"<p>A <strong>buffer overflow<\/strong> is a type of <a href=\"\/security-center\/vulnerabilities.html\"><strong>software vulnerability<\/strong><\/a> that happens when a program writes more data to a memory buffer than it can hold. This extra data can spill over into adjacent memory, potentially overwriting valid data or injecting malicious code. Attackers exploit buffer overflows to crash programs, corrupt data, or execute arbitrary code\u2014often gaining control of the system. It\u2019s a common flaw in poorly written code, especially in languages like C and C++ that don\u2019t automatically check memory boundaries.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A buffer overflow is a type of software vulnerability that happens when a program writes more data to a memory buffer than it can hold. This extra data can spill over into adjacent memory, potentially overwriting valid data or injecting malicious code. Attackers exploit buffer overflows to crash programs, corrupt data, or execute arbitrary code\u2014often [&hellip;]<\/p>\n","protected":false},"author":1,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[12],"ht-kb-tag":[539,540],"class_list":["post-4323","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-threats-vulnerabilities","ht_kb_tag-buffer-overflow","ht_kb_tag-vulnerability"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is a buffer overflow vulnerability?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.antivirusaz.com\/faq\/art\/what-is-a-buffer-overflow-vulnerability\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is a buffer overflow vulnerability?\" \/>\n<meta property=\"og:description\" content=\"A buffer overflow is a type of software vulnerability that happens when a program writes more data to a memory buffer than it can hold. This extra data can spill over into adjacent memory, potentially overwriting valid data or injecting malicious code. 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