DescriptionZip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1029038

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
zip4j (PTS)bullseye2.6.4-1vulnerable
sid, trixie, bookworm2.11.5-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[bullseye] - zip4j <no-dsa> (Minor issue)

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