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This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.","Stable","Class","Simple",{"id":104,"name":105,"description":106,"extendedDescription":107,"status":108,"abstraction":109,"structure":102},"CWE-121","Stack-based Buffer Overflow","A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).","","Draft","Variant",2,false,[],{"title":114,"metaDescription":115,"keywords":116,"canonicalUrl":117,"structuredData":118},"What is CVE-2021-26561? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-26561, a high severity cyber security vulnerability from 2021. 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