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

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
firefox Launchpad, Ubuntu, Debian	precise	Ignored
	trusty	Released (53.0+build6-0ubuntu0.14.04.1)
	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)
libevent Launchpad, Ubuntu, Debian	precise	Released (2.0.16-stable-1ubuntu0.2)
	trusty	Released (2.0.21-stable-1ubuntu1.14.04.2)
	upstream	Released (2.0.21-stable-3)
	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
thunderbird Launchpad, Ubuntu, Debian	trusty	Released (1:52.1.1+build1-0ubuntu0.14.04.1)
	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)

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

References

Bugs

Join the discussion

Canonical is offering Expanded Security Maintenance

Canonical is offering Ubuntu Expanded Security Maintenance (ESM) for security fixes and essential packages.

Find out more about ESM ›