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CVE-2016-10197

Publication date 31 December 2016

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
firefox 17.04 zesty
Fixed 53.0+build6-0ubuntu0.17.04.1
16.10 yakkety
Fixed 53.0+build6-0ubuntu0.16.10.1
16.04 LTS xenial
Fixed 53.0+build6-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 53.0+build6-0ubuntu0.14.04.1
12.04 LTS precise Ignored
libevent 17.04 zesty
Fixed 2.0.21-stable-3
16.10 yakkety
Fixed 2.0.21-stable-2ubuntu0.16.10.1
16.04 LTS xenial
Fixed 2.0.21-stable-2ubuntu0.16.04.1
14.04 LTS trusty
Fixed 2.0.21-stable-1ubuntu1.14.04.2
12.04 LTS precise
Fixed 2.0.16-stable-1ubuntu0.2
thunderbird 17.04 zesty
Fixed 1:52.1.1+build1-0ubuntu0.17.04.1
16.10 yakkety
Fixed 1:52.1.1+build1-0ubuntu0.16.10.1
16.04 LTS xenial
Fixed 1:52.1.1+build1-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 1:52.1.1+build1-0ubuntu0.14.04.1

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libevent

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H