CVE-2013-6401

Publication date 21 March 2014

Last updated 24 July 2024


Ubuntu priority

Jansson, possibly 2.4 and earlier, does not restrict the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted JSON document.

From the Ubuntu Security Team

Florian Weimer discovered that Jansson incorrectly handled hash collisions predictability. An attacker could possibly use this issue to cause a denial of service.

Status

Package Ubuntu Release Status
jansson 18.04 LTS bionic
Not affected
17.10 artful
Not affected
17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
15.10 wily
Not affected
15.04 vivid
Not affected
14.10 utopic
Not affected
14.04 LTS trusty
Fixed 2.5-2ubuntu0.1
13.10 saucy Ignored end of life
12.10 quantal Ignored end of life
12.04 LTS precise Ignored end of life
10.04 LTS lucid Not in release

Patch details

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

Package Patch details
jansson