CVE-2016-10195
First published: Thu Feb 02 2017(Updated: )
A vulnerability was found in libevent. The name_parse() function in libevent's DNS code is vulnerable to a buffer overread. Upstream bug: <a href="https://github.com/libevent/libevent/issues/317">https://github.com/libevent/libevent/issues/317</a> Upstream patch: <a href="https://github.com/libevent/libevent/commit/96f64a022014a208105ead6c8a7066018449d86d">https://github.com/libevent/libevent/commit/96f64a022014a208105ead6c8a7066018449d86d</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/libevent | 2.1.12-stable-1 2.1.12-stable-8 2.1.12-stable-10 | |
| Red Hat Libevent | <=2.1.5 | |
| Debian Linux | =8.0 |
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Reference Links
- http://www.debian.org/security/2017/dsa-3789
- http://www.openwall.com/lists/oss-security/2017/01/31/17
- http://www.openwall.com/lists/oss-security/2017/02/02/7
- http://www.securityfocus.com/bid/96014
- http://www.securitytracker.com/id/1038320
- https://access.redhat.com/errata/RHSA-2017:1104
- https://access.redhat.com/errata/RHSA-2017:1106
- https://access.redhat.com/errata/RHSA-2017:1201
- https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog
- https://github.com/libevent/libevent/commit/96f64a022014a208105ead6c8a7066018449d86d
- https://github.com/libevent/libevent/issues/317
- https://security.gentoo.org/glsa/201705-01
- https://launchpad.net/bugs/cve/CVE-2016-10195
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1418616
- https://bugzilla.redhat.com/show_bug.cgi?id=1418608
- https://www.openwall.com/lists/oss-security/2017/01/31/17
- https://security-tracker.debian.org/tracker/CVE-2016-10195
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10195
- https://nvd.nist.gov/vuln/detail/CVE-2016-10195
- https://ubuntu.com/security/CVE-2016-10195
Frequently Asked Questions
What is the severity of CVE-2016-10195?
CVE-2016-10195 is considered to have a medium severity due to its potential for buffer overread, which can lead to information disclosure.
How do I fix CVE-2016-10195?
To fix CVE-2016-10195, upgrade libevent to version 2.1.12-stable-10 or later.
Which versions of libevent are affected by CVE-2016-10195?
CVE-2016-10195 affects libevent versions up to and including 2.1.5.
What is the nature of the vulnerability in CVE-2016-10195?
The vulnerability in CVE-2016-10195 is a buffer overread in the name_parse() function of libevent's DNS code.
Is CVE-2016-10195 specific to any operating system?
CVE-2016-10195 is notably associated with Debian-based systems and potentially affects any systems using the vulnerable versions of libevent.
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