| Name | CVE-2018-18384 |
| Description | Info-ZIP UnZip 6.0 has a buffer overflow in list.c, when a ZIP archive has a crafted relationship between the compressed-size value and the uncompressed-size value, because a buffer size is 10 and is supposed to be 12. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 741384 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| unzip (PTS) | buster | 6.0-23+deb10u2 | fixed |
| buster (security) | 6.0-23+deb10u3 | fixed |
| bullseye (security), bullseye | 6.0-26+deb11u1 | fixed |
| sid, trixie, bookworm | 6.0-28 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| unzip | source | (unstable) | 6.0-11 | | | 741384 |
Notes
https://bugzilla.suse.com/show_bug.cgi?id=1110194
https://sourceforge.net/p/infozip/bugs/53/
The cfactorstr buffer was already increased to 12 with the
07-increase-size-of-cfactorstr.patch patch as applied for #741384
Upstream confirmed as well this is indeed enough as per
https://sourceforge.net/p/infozip/bugs/53/#ba07