| Name | CVE-2016-10197 |
| Description | The search_make_new function in evdns.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (out-of-bounds read) via an empty hostname. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-824-1, DSA-3789-1 |
| NVD severity | medium (attack range: remote) |
| Debian Bugs | 854092 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libevent (PTS) | wheezy | 2.0.19-stable-3+deb7u1 | vulnerable |
| wheezy (security) | 2.0.19-stable-3+deb7u2 | fixed | |
| jessie (security), jessie | 2.0.21-stable-2+deb8u1 | fixed | |
| stretch | 2.0.21-stable-3 | fixed | |
| buster, sid | 2.1.8-stable-4 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libevent | source | (unstable) | 2.0.21-stable-3 | medium | 854092 | |
| libevent | source | jessie | 2.0.21-stable-2+deb8u1 | medium | DSA-3789-1 | |
| libevent | source | wheezy | 2.0.19-stable-3+deb7u2 | medium | DLA-824-1 |
https://github.com/libevent/libevent/issues/332
http://www.openwall.com/lists/oss-security/2017/01/31/17