Denial of Service Vulnerability in libxml2 Affecting Multiple Vendors

CVE-2021-3541

What is CVE-2021-3541?

A critical flaw has been identified in libxml2 that allows an exponential entity expansion attack, potentially circumventing all existing protective measures. This vulnerability can lead to significant service interruptions, prompting immediate attention from users relying on this library. The affected versions prior to 2.9.10 lack adequate defenses against this exploit, making them susceptible to denial of service attacks. Organizations should prioritize updating to secure versions and review their implementations to mitigate risk.

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