CVE-2011-2207

Publication date 27 November 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

dirmngr before 2.1.0 improperly handles certain system calls, which allows remote attackers to cause a denial of service (DOS) via a specially-crafted certificate.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
dirmngr	13.10 saucy	Not affected
	13.04 raring	Not affected
	12.10 quantal	Not affected
	12.04 LTS precise	Not affected
	11.10 oneiric	Not affected
	11.04 natty	Ignored end of life
	10.10 maverick	Ignored end of life
	10.04 LTS lucid	Ignored end of life
	8.04 LTS hardy	Ignored end of life

Patch details

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

Package	Patch details
dirmngr	Other: http://cvs.gnupg.org/cgi-bin/viewcvs.cgi?root=Dirmngr&view=rev

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.3 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	Low

Scores

Parameter	Value
Base score	5.3 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L