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The vulnerability involves changing the default proto-max-bulk-len configuration parameter to a very large value and constructing specially crafted network payloads or commands. The problem is fixed in Redis versions 6.2.6, 6.0.16 and 5.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from modifying the proto-max-bulk-len configuration parameter. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command.","Redis is an open source, in-memory database that persists on disk. An integer overflow bug in the underlying string library can be used to corrupt the heap 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This occurs when an integer value is\n         incremented to a value that is too large to store in the\n         associated representation. When this occurs, the value may\n         become a very small or negative number.","","Stable","Base","Simple",{"id":135,"name":136,"description":137,"extendedDescription":130,"status":138,"abstraction":139,"structure":140},"CWE-680","Integer Overflow to Buffer Overflow","The product performs a calculation to determine how much memory to allocate, but an integer overflow can occur that causes less memory to be allocated than expected, leading to a buffer overflow.","Draft","Compound","Chain",2,false,[],{"title":145,"metaDescription":146,"keywords":147,"canonicalUrl":148,"structuredData":149},"What is CVE-2021-41099? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-41099, a high severity cyber security vulnerability from 2021. 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