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Medium · 6.5 CVE-2026-59274 EUVD-2026-66848GHSA-jmqv-c2qw-xw7r

Unbounded decompression in UnZipTransformer enables zip-bomb DoS

Published Aug 27, 2026 · Updated Aug 27, 2026 · Assigned by vmware

Description

The UnZipTransformer does not limit decompressed entry size or entry count when processing archives. Consequently, an attacker can send a zip archive that can exhaust JVM heap memory, causing a denial-of-service outage.
Spring Integration 7.1.0
Spring Integration 7.0.0 - 7.0.5
Spring Integration 6.5.0 - 6.5.10
Spring Integration 6.4.0 - 6.4.12

Affected products

VendorProductAffectedFixed
Spring Spring Integration 7.1.0, 7.0.0 – ≤ 7.0.5, 6.5.0 – ≤ 6.5.10, 6.4.0 – ≤ 6.4.12 —

References