CVE-2018-20349
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2018-20349
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20349.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2018-20349
- Downstream
- Related
- Published
- 2018-12-22T00:29:00.273Z
- Modified
- 2025-11-19T17:34:02.528272Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
The igraphistrdiff 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.
- References
-
- 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