| Name | CVE-2016-9844 |
| Description | Buffer overflow in the zi_short function in zipinfo.c in Info-Zip UnZip 6.0 allows remote attackers to cause a denial of service (crash) via a large compression method value in the central directory file header. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-741-1 |
| Debian Bugs | 847486 |
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 |
| trixie, sid, 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 | wheezy | 6.0-8+deb7u6 | | DLA-741-1 | |
| unzip | source | jessie | 6.0-16+deb8u3 | | | |
| unzip | source | (unstable) | 6.0-21 | | | 847486 |
Notes
https://launchpad.net/bugs/1643750
https://www.openwall.com/lists/oss-security/2016/12/05/13
Proposed patch in https://www.openwall.com/lists/oss-security/2016/12/05/19