Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive. This issue has been fixed in version 2.11.3.
{
"nvd_published_at": "2023-01-10T02:15:00Z",
"severity": "MODERATE",
"cwe_ids": [
"CWE-346"
],
"github_reviewed": true,
"github_reviewed_at": "2023-01-13T21:34:45Z"
}