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When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.
Use CWE-130, Apache vendor hub and Ant product page to widen CVE-2021-36373 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2020-11979, CVE-2020-1945 and CVE-2021-36374 for nearby disclosures in the same product family.