Bug 1664020 (CVE-2018-20349) - CVE-2018-20349 igraph: NULL pointer dereference in igraph_i_strdiff function resulting in a denial of service
Summary: CVE-2018-20349 igraph: NULL pointer dereference in igraph_i_strdiff function ...
Alias: CVE-2018-20349
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1664021 1664022
TreeView+ depends on / blocked
Reported: 2019-01-07 14:30 UTC by Andrej Nemec
Modified: 2019-09-29 15:04 UTC (History)
3 users (show)

Fixed In Version:
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Clone Of:
Last Closed: 2019-06-10 10:44:52 UTC

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Description Andrej Nemec 2019-01-07 14:30:50 UTC
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.

Upstream issue:


Comment 1 Andrej Nemec 2019-01-07 14:31:02 UTC
Created igraph tracking bugs for this issue:

Affects: epel-all [bug 1664022]
Affects: fedora-all [bug 1664021]

Comment 2 Product Security DevOps Team 2019-06-10 10:44:52 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.

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