CVE-2018-20349

Published: 22 December 2018

The igraph_i_strdiff function in igraph_trie.c in igraph through 0.7.1 has an NULL pointer dereference that allows attackers to cause a denial of service (application crash) via a crafted object.

From the Ubuntu security team

It was discovered that igraph mishandled certain malformed XML. An attacker could use this vulnerability to cause a denial of service (crash).

Priority

Medium

CVSS 3 base score: 6.5

Status

Package Release Status
igraph
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(0.7.1-4)
Ubuntu 20.10 (Groovy Gorilla) Not vulnerable
(0.7.1-4)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(0.7.1-4)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (0.7.1-2.1+deb9u1build0.18.04.1)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (0.7.1-2.1+deb9u1build0.16.04.1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)