It would be great to backport https://github.com/madler/unzip/commit/af0d07f95809653b669d88aa0f424c6d5aa48ba0

> Previously the zip64 flag determined the size of the lengths in the
> data descriptor. This is compliant with the zip format. However, a
> bug in the Java zip library results in an incorrect setting of that
> flag. This commit permits either 32-bit or 64-bit lengths, auto-
> detecting which it is, which works around the Java bug.

In our environment, we have hundreds of such ZIP files…