NULL Pointer Dereference in igraph_i_strdiff Function

CVE-2018-20349 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:N/A:P

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.

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