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Cache poisoning refers to a computer security vulnerability where invalid entries can be placed into a cache, which are then assumed to be valid when later used. Two common varieties are DNS cache poisoning and ARP cache poisoning. Web cache poisoning involves the poisoning of
web cache A web cache (or HTTP cache) is a system for optimizing the World Wide Web. It is implemented both client-side and server-side. The caching of multimedia and other files can result in less overall delay when web browser, browsing the Web. Parts o ...
s (which has led to security issues in programming languages, including all Python versions at the time in 2021, and expedited security updates). Attacks on other, more specific, caches also exist.


References

Computer security exploits Cache (computing) {{Computer-security-stub