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Debian Security Advisory DSA 3577-1 (jansson - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Gustavo Grieco discovered that jansson, a C library for encoding, decoding and manipulating JSON data, did not limit the recursion depth when parsing JSON arrays and objects. This could allow remote attackers to cause a denial of service (crash) via stack exhaustion, using crafted JSON data.
Affected Software
Affected Software
jansson on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (jessie), this problem has been fixed in version 2.7-1+deb8u1. For the unstable distribution (sid), this problem has been fixed in version 2.7-5. We recommend that you upgrade your jansson packages.