CVE-2016-4425

Publication date 17 May 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Jansson 2.7 and earlier allows context-dependent attackers to cause a denial of service (deep recursion, stack consumption, and crash) via crafted JSON data.

From the Ubuntu Security Team

It was discovered that Jansson incorrectly handled certain JSON files. An attacker could possibly use this issue to cause a denial of service.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
jansson	18.04 LTS bionic	Not affected
	17.10 artful	Ignored end of life
	17.04 zesty	Ignored end of life
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed 2.7-3ubuntu0.1
	15.10 wily	Ignored end of life
	14.04 LTS trusty	Fixed 2.5-2ubuntu0.1
	12.04 LTS precise	Ignored end of life

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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H