CVE-2023-22899
MEDIUM5.9EPSS 0.26%Zip4j Origin Validation Error
Published: 1/10/2023Modified: 4/28/2026
Description
Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive.
Affected packages (2)
- Debian/zip4jfrom 0
- Maven/net.lingala.zip4j:zip4jfrom 0, < 2.11.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
References (10)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-22899
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2023-22899
- PATCHhttps://github.com/srikanth-lingala/zip4j
- WEBhttps://breakingthe3ma.app
- WEBhttps://breakingthe3ma.app/files/Threema-PST22.pdf
- WEBhttps://github.com/srikanth-lingala/zip4j/issues/485
- WEBhttps://github.com/srikanth-lingala/zip4j/releases
- WEBhttps://github.com/srikanth-lingala/zip4j/releases/tag/v2.11.3
- WEBhttps://news.ycombinator.com/item?id=34316206
- WEBhttps://threema.ch/en/blog/posts/news-alleged-weaknesses-statement