AI Score
Confidence
High
EPSS
Percentile
50.9%
Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive.
breakingthe3ma.app
breakingthe3ma.app/files/Threema-PST22.pdf
github.com/srikanth-lingala/zip4j/issues/485
github.com/srikanth-lingala/zip4j/releases
news.ycombinator.com/item?id=34316206
threema.ch/en/blog/posts/news-alleged-weaknesses-statement