Vulnerability Description
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.
CVSS Score
6.5
MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Igraph | Igraph | <= 0.7.1 |
Related Weaknesses (CWE)
References
- https://github.com/igraph/igraph/issues/1141ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/12/msg00038.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://github.com/igraph/igraph/issues/1141ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/12/msg00038.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2018-20349?
CVE-2018-20349 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.
How severe is CVE-2018-20349?
CVE-2018-20349 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20349?
Check the references section above for vendor advisories and patch information. Affected products include: Igraph Igraph.