Vulnerability Details CVE-2018-20349
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 57.6%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 4.3
References
- https://github.com/igraph/igraph/issues/1141
- https://lists.debian.org/debian-lts-announce/2019/12/msg00038.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NCGDUNQYLSZLSGN6JJBORVFW46U3A75Y/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OWCGXEINKJM3JQUPVCSN4RBTRKWBTYI7/
- https://github.com/igraph/igraph/issues/1141
- https://lists.debian.org/debian-lts-announce/2019/12/msg00038.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NCGDUNQYLSZLSGN6JJBORVFW46U3A75Y/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OWCGXEINKJM3JQUPVCSN4RBTRKWBTYI7/
Products affected by CVE-2018-20349
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cpe:2.3:a:igraph:igraph:0.5.8
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cpe:2.3:a:igraph:igraph:0.6.5
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cpe:2.3:a:igraph:igraph:0.6.6
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cpe:2.3:a:igraph:igraph:0.7.0
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cpe:2.3:a:igraph:igraph:0.7.1