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CVE-2016-10195

Published: 31 December 2016

The name_parse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have unspecified impact via vectors involving the label_len variable, which triggers an out-of-bounds stack read.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
upstream
Released (53.0)
xenial
Released (53.0+build6-0ubuntu0.16.04.1)
yakkety
Released (53.0+build6-0ubuntu0.16.10.1)
zesty
Released (53.0+build6-0ubuntu0.17.04.1)
precise Ignored

trusty
Released (53.0+build6-0ubuntu0.14.04.1)
thunderbird
Launchpad, Ubuntu, Debian
upstream Needs triage

xenial
Released (1:52.1.1+build1-0ubuntu0.16.04.1)
yakkety
Released (1:52.1.1+build1-0ubuntu0.16.10.1)
zesty
Released (1:52.1.1+build1-0ubuntu0.17.04.1)
trusty
Released (1:52.1.1+build1-0ubuntu0.14.04.1)
libevent
Launchpad, Ubuntu, Debian
upstream
Released (2.0.21-stable-3)
precise
Released (2.0.16-stable-1ubuntu0.2)
trusty
Released (2.0.21-stable-1ubuntu1.14.04.2)
xenial
Released (2.0.21-stable-2ubuntu0.16.04.1)
yakkety
Released (2.0.21-stable-2ubuntu0.16.10.1)
zesty
Released (2.0.21-stable-3)
Patches:
upstream: https://github.com/libevent/libevent/commit/96f64a022014a208105ead6c8a7066018449d86d

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H